// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {
    var cols = this.slice(4,this.length-1).split(',');
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  } else {
    if (this.slice(0,1) == '#') {
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
      if (this.length==7) color = this.toLowerCase();
    }
  }
  return (color.length==7 ? color : (arguments[0] || this));
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);
  element.setStyle({fontSize: (percent/100) + 'em'});
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;

    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect) {
    element = $(element);
    effect = (effect || 'appear').toLowerCase();
    var options = Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, arguments[2] || { });
    Effect[element.visible() ?
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();

    var position = Object.isString(effect.options.queue) ?
      effect.options.queue : effect.options.queue.position;

    switch(position) {
      case 'front':
        // move unstarted effects after this effect
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }

    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);

    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++)
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    function codeForEvent(options,eventName){
      return (
        (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
        (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
      );
    }
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

      return function(pos) {
        if (this.state === "idle") {
          this.state = "running";
          dispatch(this, 'beforeSetup');
          if (this.setup) this.setup();
          dispatch(this, 'afterSetup');
        }
        if (this.state === "running") {
          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
          this.position = pos;
          dispatch(this, 'beforeUpdate');
          if (this.update) this.update(pos);
          dispatch(this, 'afterUpdate');
        }
      };
    })();

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish();
        this.event('afterFinish');
        return;
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');

    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));

    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;

    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) {
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity});
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show();
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = {
    opacity: element.getInlineOpacity(),
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
     Object.extend({ duration: 1.0,
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element);
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleX: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, {
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) {
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      });
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned();
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        }
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}); }}); }}); }}); }}); }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, {
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping();
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping();
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var initialMoveX, initialMoveY;
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0;
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }

  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01,
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show();
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
             }
           }, options)
      );
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }

  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  return new Effect.Opacity(element,
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, {
      scaleContent: false,
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        };
      }
    }
    this.start(options);
  },

  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 );
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return {
        style: property.camelize(),
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      );
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] =
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2008 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }

    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },

  findDeepestChild: function(drops) {
    deepest = drops[0];

    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];

    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode;
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },

  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect(
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];

    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });

    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event);
        return true;
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
};

var Draggables = {
  drags: [],
  observers: [],

  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);

      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },

  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },

  activate: function(draggable) {
    if(draggable.options.delay) {
      this._timeout = setTimeout(function() {
        Draggables._timeout = null;
        window.focus();
        Draggables.activeDraggable = draggable;
      }.bind(this), draggable.options.delay);
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },

  deactivate: function() {
    this.activeDraggable = null;
  },

  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;

    this.activeDraggable.updateDrag(event, pointer);
  },

  endDrag: function(event) {
    if(this._timeout) {
      clearTimeout(this._timeout);
      this._timeout = null;
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },

  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },

  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },

  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },

  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },

  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
};

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity,
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){
            Draggable._dragging[element] = false
          }
        });
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };

    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});
        }
      });

    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);

    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);

    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;

    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE

    this.options  = options;
    this.dragging = false;

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);

    Draggables.register(this);
  },

  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },

  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },

  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;

      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = Position.cumulativeOffset(this.element);
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });

      Draggables.activate(this);
      Event.stop(event);
    }
  },

  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();

    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }

    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }

    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }

    Draggables.notify('onStart', this, event);

    if(this.options.starteffect) this.options.starteffect(this.element);
  },

  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);

    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }

    Draggables.notify('onDrag', this, event);

    this.draw(pointer);
    if(this.options.change) this.options.change(this);

    if(this.options.scroll) {
      this.stopScrolling();

      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }

    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);

    Event.stop(event);
  },

  finishDrag: function(event, success) {
    this.dragging = false;

    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this._originallyAbsolute)
        Position.relativize(this.element);
      delete this._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false;
    if(success) {
      dropped = Droppables.fire(event, this.element);
      if (!dropped) dropped = false;
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);

    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect)
      this.options.endeffect(this.element);

    Draggables.deactivate(this);
    Droppables.reset();
  },

  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },

  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },

  draw: function(point) {
    var pos = Position.cumulativeOffset(this.element);
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }

    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];

    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }

    var p = [0,1].map(function(i){
      return (point[i]-pos[i]-this.offset[i])
    }.bind(this));

    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this));
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this));
      }
    }}

    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";

    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },

  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },

  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },

  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }

    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }

    if(this.options.change) this.options.change(this);
  },

  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight;
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },

  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },

  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,

  sortables: { },

  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },

  destroy: function(element){
    element = $(element);
    var s = Sortable.sortables[element.id];

    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');

      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false,
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,

      // these take arrays of elements or ids and can be
      // used for better initialization performance
      elements:    false,
      handles:     false,

      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    };

    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    };

    // fix for gecko engine
    Element.cleanWhitespace(element);

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e);
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);
    });

    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.id] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },

  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode)
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },

  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);

    if(!Element.isParent(dropon, element)) {
      var index;

      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;

      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }

      dropon.insertBefore(element, child);

      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return;

    if(!Sortable._marker) {
      Sortable._marker =
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }
    var offsets = Position.cumulativeOffset(dropon);
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});

    if(position=='after')
      if(sortable.overlap == 'horizontal')
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});

    Sortable._marker.show();
  },

  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];

    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;

      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      };

      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child);

      parent.children.push (child);
    }

    return parent;
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });

    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    };

    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });

    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });

    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });

    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },

  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" +
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
};

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
};

Element.findChildren = function(element, only, recursive, tagName) {
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
};

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
};

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2008 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//           (c) 2005-2008 Jon Tirsen (http://www.tirsen.com)
// Contributors:
//  Richard Livsey
//  Rahul Bhargava
//  Rob Wills
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// Autocompleter.Base handles all the autocompletion functionality
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least,
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most
// useful when one of the tokens is \n (a newline), as it
// allows smart autocompletion after linebreaks.

if(typeof Effect == 'undefined')
  throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = { };
Autocompleter.Base = Class.create({
  baseInitialize: function(element, update, options) {
    element          = $(element);
    this.element     = element;
    this.update      = $(update);
    this.hasFocus    = false;
    this.changed     = false;
    this.active      = false;
    this.index       = 0;
    this.entryCount  = 0;
    this.oldElementValue = this.element.value;

    if(this.setOptions)
      this.setOptions(options);
    else
      this.options = options || { };

    this.options.paramName    = this.options.paramName || this.element.name;
    this.options.tokens       = this.options.tokens || [];
    this.options.frequency    = this.options.frequency || 0.4;
    this.options.minChars     = this.options.minChars || 1;
    this.options.onShow       = this.options.onShow ||
      function(element, update){
        if(!update.style.position || update.style.position=='absolute') {
          update.style.position = 'absolute';
          Position.clone(element, update, {
            setHeight: false,
            offsetTop: element.offsetHeight
          });
        }
        Effect.Appear(update,{duration:0.15});
      };
    this.options.onHide = this.options.onHide ||
      function(element, update){ new Effect.Fade(update,{duration:0.15}) };

    if(typeof(this.options.tokens) == 'string')
      this.options.tokens = new Array(this.options.tokens);
    // Force carriage returns as token delimiters anyway
    if (!this.options.tokens.include('\n'))
      this.options.tokens.push('\n');

    this.observer = null;

    this.element.setAttribute('autocomplete','off');

    Element.hide(this.update);

    Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
    Event.observe(this.element, 'keydown', this.onKeyPress.bindAsEventListener(this));
  },

  show: function() {
    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
    if(!this.iefix &&
      (Prototype.Browser.IE) &&
      (Element.getStyle(this.update, 'position')=='absolute')) {
      new Insertion.After(this.update,
       '<iframe id="' + this.update.id + '_iefix" '+
       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
      this.iefix = $(this.update.id+'_iefix');
    }
    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
  },

  fixIEOverlapping: function() {
    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
    this.iefix.style.zIndex = 1;
    this.update.style.zIndex = 2;
    Element.show(this.iefix);
  },

  hide: function() {
    this.stopIndicator();
    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
    if(this.iefix) Element.hide(this.iefix);
  },

  startIndicator: function() {
    if(this.options.indicator) Element.show(this.options.indicator);
  },

  stopIndicator: function() {
    if(this.options.indicator) Element.hide(this.options.indicator);
  },

  onKeyPress: function(event) {
    if(this.active)
      switch(event.keyCode) {
       case Event.KEY_TAB:
       case Event.KEY_RETURN:
         this.selectEntry();
         Event.stop(event);
       case Event.KEY_ESC:
         this.hide();
         this.active = false;
         Event.stop(event);
         return;
       case Event.KEY_LEFT:
       case Event.KEY_RIGHT:
         return;
       case Event.KEY_UP:
         this.markPrevious();
         this.render();
         Event.stop(event);
         return;
       case Event.KEY_DOWN:
         this.markNext();
         this.render();
         Event.stop(event);
         return;
      }
     else
       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN ||
         (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

    this.changed = true;
    this.hasFocus = true;

    if(this.observer) clearTimeout(this.observer);
      this.observer =
        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
  },

  activate: function() {
    this.changed = false;
    this.hasFocus = true;
    this.getUpdatedChoices();
  },

  onHover: function(event) {
    var element = Event.findElement(event, 'LI');
    if(this.index != element.autocompleteIndex)
    {
        this.index = element.autocompleteIndex;
        this.render();
    }
    Event.stop(event);
  },

  onClick: function(event) {
    var element = Event.findElement(event, 'LI');
    this.index = element.autocompleteIndex;
    this.selectEntry();
    this.hide();
  },

  onBlur: function(event) {
    // needed to make click events working
    setTimeout(this.hide.bind(this), 250);
    this.hasFocus = false;
    this.active = false;
  },

  render: function() {
    if(this.entryCount > 0) {
      for (var i = 0; i < this.entryCount; i++)
        this.index==i ?
          Element.addClassName(this.getEntry(i),"selected") :
          Element.removeClassName(this.getEntry(i),"selected");
      if(this.hasFocus) {
        this.show();
        this.active = true;
      }
    } else {
      this.active = false;
      this.hide();
    }
  },

  markPrevious: function() {
    if(this.index > 0) this.index--;
      else this.index = this.entryCount-1;
    this.getEntry(this.index).scrollIntoView(true);
  },

  markNext: function() {
    if(this.index < this.entryCount-1) this.index++;
      else this.index = 0;
    this.getEntry(this.index).scrollIntoView(false);
  },

  getEntry: function(index) {
    return this.update.firstChild.childNodes[index];
  },

  getCurrentEntry: function() {
    return this.getEntry(this.index);
  },

  selectEntry: function() {
    this.active = false;
    this.updateElement(this.getCurrentEntry());
  },

  updateElement: function(selectedElement) {
    if (this.options.updateElement) {
      this.options.updateElement(selectedElement);
      return;
    }
    var value = '';
    if (this.options.select) {
      var nodes = $(selectedElement).select('.' + this.options.select) || [];
      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
    } else
      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');

    var bounds = this.getTokenBounds();
    if (bounds[0] != -1) {
      var newValue = this.element.value.substr(0, bounds[0]);
      var whitespace = this.element.value.substr(bounds[0]).match(/^\s+/);
      if (whitespace)
        newValue += whitespace[0];
      this.element.value = newValue + value + this.element.value.substr(bounds[1]);
    } else {
      this.element.value = value;
    }
    this.oldElementValue = this.element.value;
    this.element.focus();

    if (this.options.afterUpdateElement)
      this.options.afterUpdateElement(this.element, selectedElement);
  },

  updateChoices: function(choices) {
    if(!this.changed && this.hasFocus) {
      this.update.innerHTML = choices;
      Element.cleanWhitespace(this.update);
      Element.cleanWhitespace(this.update.down());

      if(this.update.firstChild && this.update.down().childNodes) {
        this.entryCount =
          this.update.down().childNodes.length;
        for (var i = 0; i < this.entryCount; i++) {
          var entry = this.getEntry(i);
          entry.autocompleteIndex = i;
          this.addObservers(entry);
        }
      } else {
        this.entryCount = 0;
      }

      this.stopIndicator();
      this.index = 0;

      if(this.entryCount==1 && this.options.autoSelect) {
        this.selectEntry();
        this.hide();
      } else {
        this.render();
      }
    }
  },

  addObservers: function(element) {
    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
    Event.observe(element, "click", this.onClick.bindAsEventListener(this));
  },

  onObserverEvent: function() {
    this.changed = false;
    this.tokenBounds = null;
    if(this.getToken().length>=this.options.minChars) {
      this.getUpdatedChoices();
    } else {
      this.active = false;
      this.hide();
    }
    this.oldElementValue = this.element.value;
  },

  getToken: function() {
    var bounds = this.getTokenBounds();
    return this.element.value.substring(bounds[0], bounds[1]).strip();
  },

  getTokenBounds: function() {
    if (null != this.tokenBounds) return this.tokenBounds;
    var value = this.element.value;
    if (value.strip().empty()) return [-1, 0];
    var diff = arguments.callee.getFirstDifferencePos(value, this.oldElementValue);
    var offset = (diff == this.oldElementValue.length ? 1 : 0);
    var prevTokenPos = -1, nextTokenPos = value.length;
    var tp;
    for (var index = 0, l = this.options.tokens.length; index < l; ++index) {
      tp = value.lastIndexOf(this.options.tokens[index], diff + offset - 1);
      if (tp > prevTokenPos) prevTokenPos = tp;
      tp = value.indexOf(this.options.tokens[index], diff + offset);
      if (-1 != tp && tp < nextTokenPos) nextTokenPos = tp;
    }
    return (this.tokenBounds = [prevTokenPos + 1, nextTokenPos]);
  }
});

Autocompleter.Base.prototype.getTokenBounds.getFirstDifferencePos = function(newS, oldS) {
  var boundary = Math.min(newS.length, oldS.length);
  for (var index = 0; index < boundary; ++index)
    if (newS[index] != oldS[index])
      return index;
  return boundary;
};

Ajax.Autocompleter = Class.create(Autocompleter.Base, {
  initialize: function(element, update, url, options) {
    this.baseInitialize(element, update, options);
    this.options.asynchronous  = true;
    this.options.onComplete    = this.onComplete.bind(this);
    this.options.defaultParams = this.options.parameters || null;
    this.url                   = url;
  },

  getUpdatedChoices: function() {
    this.startIndicator();

    var entry = encodeURIComponent(this.options.paramName) + '=' +
      encodeURIComponent(this.getToken());

    this.options.parameters = this.options.callback ?
      this.options.callback(this.element, entry) : entry;

    if(this.options.defaultParams)
      this.options.parameters += '&' + this.options.defaultParams;

    new Ajax.Request(this.url, this.options);
  },

  onComplete: function(request) {
    this.updateChoices(request.responseText);
  }
});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
//                    text only at the beginning of strings in the
//                    autocomplete array. Defaults to true, which will
//                    match text at the beginning of any *word* in the
//                    strings in the autocomplete array. If you want to
//                    search anywhere in the string, additionally set
//                    the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
//                   a partial match (unlike minChars, which defines
//                   how many characters are required to do any match
//                   at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
//                 Defaults to true.
//
// It's possible to pass in a custom function as the 'selector'
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create(Autocompleter.Base, {
  initialize: function(element, update, array, options) {
    this.baseInitialize(element, update, options);
    this.options.array = array;
  },

  getUpdatedChoices: function() {
    this.updateChoices(this.options.selector(this));
  },

  setOptions: function(options) {
    this.options = Object.extend({
      choices: 10,
      partialSearch: true,
      partialChars: 2,
      ignoreCase: true,
      fullSearch: false,
      selector: function(instance) {
        var ret       = []; // Beginning matches
        var partial   = []; // Inside matches
        var entry     = instance.getToken();
        var count     = 0;

        for (var i = 0; i < instance.options.array.length &&
          ret.length < instance.options.choices ; i++) {

          var elem = instance.options.array[i];
          var foundPos = instance.options.ignoreCase ?
            elem.toLowerCase().indexOf(entry.toLowerCase()) :
            elem.indexOf(entry);

          while (foundPos != -1) {
            if (foundPos == 0 && elem.length != entry.length) {
              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
                elem.substr(entry.length) + "</li>");
              break;
            } else if (entry.length >= instance.options.partialChars &&
              instance.options.partialSearch && foundPos != -1) {
              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
                  foundPos + entry.length) + "</li>");
                break;
              }
            }

            foundPos = instance.options.ignoreCase ?
              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
              elem.indexOf(entry, foundPos + 1);

          }
        }
        if (partial.length)
          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length));
        return "<ul>" + ret.join('') + "</ul>";
      }
    }, options || { });
  }
});

// AJAX in-place editor and collection editor
// Full rewrite by Christophe Porteneuve <tdd@tddsworld.com> (April 2007).

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
  setTimeout(function() {
    Field.activate(field);
  }, 1);
};

Ajax.InPlaceEditor = Class.create({
  initialize: function(element, url, options) {
    this.url = url;
    this.element = element = $(element);
    this.prepareOptions();
    this._controls = { };
    arguments.callee.dealWithDeprecatedOptions(options); // DEPRECATION LAYER!!!
    Object.extend(this.options, options || { });
    if (!this.options.formId && this.element.id) {
      this.options.formId = this.element.id + '-inplaceeditor';
      if ($(this.options.formId))
        this.options.formId = '';
    }
    if (this.options.externalControl)
      this.options.externalControl = $(this.options.externalControl);
    if (!this.options.externalControl)
      this.options.externalControlOnly = false;
    this._originalBackground = this.element.getStyle('background-color') || 'transparent';
    this.element.title = this.options.clickToEditText;
    this._boundCancelHandler = this.handleFormCancellation.bind(this);
    this._boundComplete = (this.options.onComplete || Prototype.emptyFunction).bind(this);
    this._boundFailureHandler = this.handleAJAXFailure.bind(this);
    this._boundSubmitHandler = this.handleFormSubmission.bind(this);
    this._boundWrapperHandler = this.wrapUp.bind(this);
    this.registerListeners();
  },
  checkForEscapeOrReturn: function(e) {
    if (!this._editing || e.ctrlKey || e.altKey || e.shiftKey) return;
    if (Event.KEY_ESC == e.keyCode)
      this.handleFormCancellation(e);
    else if (Event.KEY_RETURN == e.keyCode)
      this.handleFormSubmission(e);
  },
  createControl: function(mode, handler, extraClasses) {
    var control = this.options[mode + 'Control'];
    var text = this.options[mode + 'Text'];
    if ('button' == control) {
      var btn = document.createElement('input');
      btn.type = 'submit';
      btn.value = text;
      btn.className = 'editor_' + mode + '_button';
      if ('cancel' == mode)
        btn.onclick = this._boundCancelHandler;
      this._form.appendChild(btn);
      this._controls[mode] = btn;
    } else if ('link' == control) {
      var link = document.createElement('a');
      link.href = '#';
      link.appendChild(document.createTextNode(text));
      link.onclick = 'cancel' == mode ? this._boundCancelHandler : this._boundSubmitHandler;
      link.className = 'editor_' + mode + '_link';
      if (extraClasses)
        link.className += ' ' + extraClasses;
      this._form.appendChild(link);
      this._controls[mode] = link;
    }
  },
  createEditField: function() {
    var text = (this.options.loadTextURL ? this.options.loadingText : this.getText());
    var fld;
    if (1 >= this.options.rows && !/\r|\n/.test(this.getText())) {
      fld = document.createElement('input');
      fld.type = 'text';
      var size = this.options.size || this.options.cols || 0;
      if (0 < size) fld.size = size;
    } else {
      fld = document.createElement('textarea');
      fld.rows = (1 >= this.options.rows ? this.options.autoRows : this.options.rows);
      fld.cols = this.options.cols || 40;
    }
    fld.name = this.options.paramName;
    fld.value = text; // No HTML breaks conversion anymore
    fld.className = 'editor_field';
    if (this.options.submitOnBlur)
      fld.onblur = this._boundSubmitHandler;
    this._controls.editor = fld;
    if (this.options.loadTextURL)
      this.loadExternalText();
    this._form.appendChild(this._controls.editor);
  },
  createForm: function() {
    var ipe = this;
    function addText(mode, condition) {
      var text = ipe.options['text' + mode + 'Controls'];
      if (!text || condition === false) return;
      ipe._form.appendChild(document.createTextNode(text));
    };
    this._form = $(document.createElement('form'));
    this._form.id = this.options.formId;
    this._form.addClassName(this.options.formClassName);
    this._form.onsubmit = this._boundSubmitHandler;
    this.createEditField();
    if ('textarea' == this._controls.editor.tagName.toLowerCase())
      this._form.appendChild(document.createElement('br'));
    if (this.options.onFormCustomization)
      this.options.onFormCustomization(this, this._form);
    addText('Before', this.options.okControl || this.options.cancelControl);
    this.createControl('ok', this._boundSubmitHandler);
    addText('Between', this.options.okControl && this.options.cancelControl);
    this.createControl('cancel', this._boundCancelHandler, 'editor_cancel');
    addText('After', this.options.okControl || this.options.cancelControl);
  },
  destroy: function() {
    if (this._oldInnerHTML)
      this.element.innerHTML = this._oldInnerHTML;
    this.leaveEditMode();
    this.unregisterListeners();
  },
  enterEditMode: function(e) {
    if (this._saving || this._editing) return;
    this._editing = true;
    this.triggerCallback('onEnterEditMode');
    if (this.options.externalControl)
      this.options.externalControl.hide();
    this.element.hide();
    this.createForm();
    this.element.parentNode.insertBefore(this._form, this.element);
    if (!this.options.loadTextURL)
      this.postProcessEditField();
    if (e) Event.stop(e);
  },
  enterHover: function(e) {
    if (this.options.hoverClassName)
      this.element.addClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onEnterHover');
  },
  getText: function() {
    return this.element.innerHTML.unescapeHTML();
  },
  handleAJAXFailure: function(transport) {
    this.triggerCallback('onFailure', transport);
    if (this._oldInnerHTML) {
      this.element.innerHTML = this._oldInnerHTML;
      this._oldInnerHTML = null;
    }
  },
  handleFormCancellation: function(e) {
    this.wrapUp();
    if (e) Event.stop(e);
  },
  handleFormSubmission: function(e) {
    var form = this._form;
    var value = $F(this._controls.editor);
    this.prepareSubmission();
    var params = this.options.callback(form, value) || '';
    if (Object.isString(params))
      params = params.toQueryParams();
    params.editorId = this.element.id;
    if (this.options.htmlResponse) {
      var options = Object.extend({ evalScripts: true }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Updater({ success: this.element }, this.url, options);
    } else {
      var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Request(this.url, options);
    }
    if (e) Event.stop(e);
  },
  leaveEditMode: function() {
    this.element.removeClassName(this.options.savingClassName);
    this.removeForm();
    this.leaveHover();
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
    if (this.options.externalControl)
      this.options.externalControl.show();
    this._saving = false;
    this._editing = false;
    this._oldInnerHTML = null;
    this.triggerCallback('onLeaveEditMode');
  },
  leaveHover: function(e) {
    if (this.options.hoverClassName)
      this.element.removeClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onLeaveHover');
  },
  loadExternalText: function() {
    this._form.addClassName(this.options.loadingClassName);
    this._controls.editor.disabled = true;
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._form.removeClassName(this.options.loadingClassName);
        var text = transport.responseText;
        if (this.options.stripLoadedTextTags)
          text = text.stripTags();
        this._controls.editor.value = text;
        this._controls.editor.disabled = false;
        this.postProcessEditField();
      }.bind(this),
      onFailure: this._boundFailureHandler
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },
  postProcessEditField: function() {
    var fpc = this.options.fieldPostCreation;
    if (fpc)
      $(this._controls.editor)['focus' == fpc ? 'focus' : 'activate']();
  },
  prepareOptions: function() {
    this.options = Object.clone(Ajax.InPlaceEditor.DefaultOptions);
    Object.extend(this.options, Ajax.InPlaceEditor.DefaultCallbacks);
    [this._extraDefaultOptions].flatten().compact().each(function(defs) {
      Object.extend(this.options, defs);
    }.bind(this));
  },
  prepareSubmission: function() {
    this._saving = true;
    this.removeForm();
    this.leaveHover();
    this.showSaving();
  },
  registerListeners: function() {
    this._listeners = { };
    var listener;
    $H(Ajax.InPlaceEditor.Listeners).each(function(pair) {
      listener = this[pair.value].bind(this);
      this._listeners[pair.key] = listener;
      if (!this.options.externalControlOnly)
        this.element.observe(pair.key, listener);
      if (this.options.externalControl)
        this.options.externalControl.observe(pair.key, listener);
    }.bind(this));
  },
  removeForm: function() {
    if (!this._form) return;
    this._form.remove();
    this._form = null;
    this._controls = { };
  },
  showSaving: function() {
    this._oldInnerHTML = this.element.innerHTML;
    this.element.innerHTML = this.options.savingText;
    this.element.addClassName(this.options.savingClassName);
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
  },
  triggerCallback: function(cbName, arg) {
    if ('function' == typeof this.options[cbName]) {
      this.options[cbName](this, arg);
    }
  },
  unregisterListeners: function() {
    $H(this._listeners).each(function(pair) {
      if (!this.options.externalControlOnly)
        this.element.stopObserving(pair.key, pair.value);
      if (this.options.externalControl)
        this.options.externalControl.stopObserving(pair.key, pair.value);
    }.bind(this));
  },
  wrapUp: function(transport) {
    this.leaveEditMode();
    // Can't use triggerCallback due to backward compatibility: requires
    // binding + direct element
    this._boundComplete(transport, this.element);
  }
});

Object.extend(Ajax.InPlaceEditor.prototype, {
  dispose: Ajax.InPlaceEditor.prototype.destroy
});

Ajax.InPlaceCollectionEditor = Class.create(Ajax.InPlaceEditor, {
  initialize: function($super, element, url, options) {
    this._extraDefaultOptions = Ajax.InPlaceCollectionEditor.DefaultOptions;
    $super(element, url, options);
  },

  createEditField: function() {
    var list = document.createElement('select');
    list.name = this.options.paramName;
    list.size = 1;
    this._controls.editor = list;
    this._collection = this.options.collection || [];
    if (this.options.loadCollectionURL)
      this.loadCollection();
    else
      this.checkForExternalText();
    this._form.appendChild(this._controls.editor);
  },

  loadCollection: function() {
    this._form.addClassName(this.options.loadingClassName);
    this.showLoadingText(this.options.loadingCollectionText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        var js = transport.responseText.strip();
        if (!/^\[.*\]$/.test(js)) // TODO: improve sanity check
          throw('Server returned an invalid collection representation.');
        this._collection = eval(js);
        this.checkForExternalText();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadCollectionURL, options);
  },

  showLoadingText: function(text) {
    this._controls.editor.disabled = true;
    var tempOption = this._controls.editor.firstChild;
    if (!tempOption) {
      tempOption = document.createElement('option');
      tempOption.value = '';
      this._controls.editor.appendChild(tempOption);
      tempOption.selected = true;
    }
    tempOption.update((text || '').stripScripts().stripTags());
  },

  checkForExternalText: function() {
    this._text = this.getText();
    if (this.options.loadTextURL)
      this.loadExternalText();
    else
      this.buildOptionList();
  },

  loadExternalText: function() {
    this.showLoadingText(this.options.loadingText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._text = transport.responseText.strip();
        this.buildOptionList();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },

  buildOptionList: function() {
    this._form.removeClassName(this.options.loadingClassName);
    this._collection = this._collection.map(function(entry) {
      return 2 === entry.length ? entry : [entry, entry].flatten();
    });
    var marker = ('value' in this.options) ? this.options.value : this._text;
    var textFound = this._collection.any(function(entry) {
      return entry[0] == marker;
    }.bind(this));
    this._controls.editor.update('');
    var option;
    this._collection.each(function(entry, index) {
      option = document.createElement('option');
      option.value = entry[0];
      option.selected = textFound ? entry[0] == marker : 0 == index;
      option.appendChild(document.createTextNode(entry[1]));
      this._controls.editor.appendChild(option);
    }.bind(this));
    this._controls.editor.disabled = false;
    Field.scrollFreeActivate(this._controls.editor);
  }
});

//**** DEPRECATION LAYER FOR InPlace[Collection]Editor! ****
//**** This only  exists for a while,  in order to  let ****
//**** users adapt to  the new API.  Read up on the new ****
//**** API and convert your code to it ASAP!            ****

Ajax.InPlaceEditor.prototype.initialize.dealWithDeprecatedOptions = function(options) {
  if (!options) return;
  function fallback(name, expr) {
    if (name in options || expr === undefined) return;
    options[name] = expr;
  };
  fallback('cancelControl', (options.cancelLink ? 'link' : (options.cancelButton ? 'button' :
    options.cancelLink == options.cancelButton == false ? false : undefined)));
  fallback('okControl', (options.okLink ? 'link' : (options.okButton ? 'button' :
    options.okLink == options.okButton == false ? false : undefined)));
  fallback('highlightColor', options.highlightcolor);
  fallback('highlightEndColor', options.highlightendcolor);
};

Object.extend(Ajax.InPlaceEditor, {
  DefaultOptions: {
    ajaxOptions: { },
    autoRows: 3,                                // Use when multi-line w/ rows == 1
    cancelControl: 'link',                      // 'link'|'button'|false
    cancelText: 'cancel',
    clickToEditText: 'Click to edit',
    externalControl: null,                      // id|elt
    externalControlOnly: false,
    fieldPostCreation: 'activate',              // 'activate'|'focus'|false
    formClassName: 'inplaceeditor-form',
    formId: null,                               // id|elt
    highlightColor: '#ffff99',
    highlightEndColor: '#ffffff',
    hoverClassName: '',
    htmlResponse: true,
    loadingClassName: 'inplaceeditor-loading',
    loadingText: 'Loading...',
    okControl: 'button',                        // 'link'|'button'|false
    okText: 'ok',
    paramName: 'value',
    rows: 1,                                    // If 1 and multi-line, uses autoRows
    savingClassName: 'inplaceeditor-saving',
    savingText: 'Saving...',
    size: 0,
    stripLoadedTextTags: false,
    submitOnBlur: false,
    textAfterControls: '',
    textBeforeControls: '',
    textBetweenControls: ''
  },
  DefaultCallbacks: {
    callback: function(form) {
      return Form.serialize(form);
    },
    onComplete: function(transport, element) {
      // For backward compatibility, this one is bound to the IPE, and passes
      // the element directly.  It was too often customized, so we don't break it.
      new Effect.Highlight(element, {
        startcolor: this.options.highlightColor, keepBackgroundImage: true });
    },
    onEnterEditMode: null,
    onEnterHover: function(ipe) {
      ipe.element.style.backgroundColor = ipe.options.highlightColor;
      if (ipe._effect)
        ipe._effect.cancel();
    },
    onFailure: function(transport, ipe) {
      alert('Error communication with the server: ' + transport.responseText.stripTags());
    },
    onFormCustomization: null, // Takes the IPE and its generated form, after editor, before controls.
    onLeaveEditMode: null,
    onLeaveHover: function(ipe) {
      ipe._effect = new Effect.Highlight(ipe.element, {
        startcolor: ipe.options.highlightColor, endcolor: ipe.options.highlightEndColor,
        restorecolor: ipe._originalBackground, keepBackgroundImage: true
      });
    }
  },
  Listeners: {
    click: 'enterEditMode',
    keydown: 'checkForEscapeOrReturn',
    mouseover: 'enterHover',
    mouseout: 'leaveHover'
  }
});

Ajax.InPlaceCollectionEditor.DefaultOptions = {
  loadingCollectionText: 'Loading options...'
};

// Delayed observer, like Form.Element.Observer,
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create({
  initialize: function(element, delay, callback) {
    this.delay     = delay || 0.5;
    this.element   = $(element);
    this.callback  = callback;
    this.timer     = null;
    this.lastValue = $F(this.element);
    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
  },
  delayedListener: function(event) {
    if(this.lastValue == $F(this.element)) return;
    if(this.timer) clearTimeout(this.timer);
    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
    this.lastValue = $F(this.element);
  },
  onTimerEvent: function() {
    this.timer = null;
    this.callback(this.element, $F(this.element));
  }
});

// script.aculo.us builder.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();

    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;

    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];

    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);

    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array) ||
        arguments[1].tagName) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1])
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
          }
        }

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return $(element);
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(children.tagName) {
      element.appendChild(children);
      return;
    }
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e);
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children))
        element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) {
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope

    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

    tags.each( function(tag){
      scope[tag] = function() {
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));
      };
    });
  }
};

/**
 *
 * based on the below code, though I ripped out the Object.Event dependency
 *
 * @author Ryan Johnson <http://syntacticx.com/>
 * @copyright 2008 PersonalGrid Corporation <http://personalgrid.com/>
 * @package LivePipe UI
 * @license MIT
 * @url http://livepipe.net/controls/hotkey/
 * @attribution http://www.quirksmode.org/js/cookies.html
 */

/*global document, Prototype, $A */

if(typeof(Prototype) == "undefined") {
  throw "Cookie requires Prototype to be loaded."; }

var Cookie = {
  build: function() {
    return $A(arguments).compact().join("; ");
  },
  secondsFromNow: function(seconds) {
    var d = new Date();
    d.setTime(d.getTime() + (seconds * 1000));
    return d.toGMTString();
  },
  set: function(name,value,seconds){
    var expiry = seconds ? 'expires=' + Cookie.secondsFromNow(seconds) : null;
    document.cookie = Cookie.build(name + "=" + value, expiry, "path=/");
  },
  get: function(name){
    var valueMatch = new RegExp(name + "=([^;]+)").exec(document.cookie);
    return valueMatch ? valueMatch[1] : null;
  },
  unset: function(name){
    Cookie.set(name,'',-1);
  }
};


// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

LC = {}

LC.is_smallgroup = function(){
  /group/i.test(location.href);
}

/**
 * - remove the scheduling from calendar
 */
LC.remove_lesson_scheduling = function(json, close_popup) {
  var hash = $H(json);
  var key = hash.keys().first();
  var scheduling = hash.get(key);
  var old_scheduling = null;

  // ids will be like 'lesson_scheduling_1' or 'calendar_event_scheduling_ID:calendar_event_ID:calendar_ID:2010-07-01'
  // will all be of class 'scheduled-lesson'
  var ids = [];

  if (key == 'lesson_scheduling') {
    ids.push(key + '_' + scheduling.id);
  }
  else {
    var re = new RegExp('^.+:calendar_event_'+scheduling.calendar_event_id+':.+$');
    $$('.scheduled-lesson').each(function(el){
      if (re.match(el.id)) {
        ids.push(el.id);
      }
    });
  }

  // try removing the old dragged lesson_scheduling element
  $A(ids).each(function(id){
    try {
      old_scheduling = $(id);
      old_scheduling.remove();

      $(document.body).down('table.sym_calendar').select('td').each(function(td){
        // only remove 'active' class if no more schedulings
        var schedulings = td.select('.scheduled-lesson');
        if (schedulings.size() < 1) {
          td.removeClassName('active');
        }
      });
    } catch(E){
      console.log('remove_lesson_scheduling: ', E)
    }
  });

  if (close_popup) {
    LC.calendar_edit_day_popup_close();
  }

  return old_scheduling;
}

/**
 * pads single-digit numbers with a leading zero
 */
lz = function(n) {
  return (n.toString().length == 1) ? "0" + n : n;
}

LC.disable_tinymce = function(handle) {
  //    var module_content = $(handle).next('.module_content');
  //    var form = module_content.down('.edit_module_form');
  var lcb_id = $(handle).up('.module').id;
  var form = $('edit_' + lcb_id);
    
  if (form.visible()) {
    window['had_to_hide_'+ lcb_id] = true;
    form.hide();
  }

  //    var textarea = module_content.down('textarea');
  var textarea = form.down('textarea');
  tinyMCE.execCommand("mceRemoveControl", false, textarea.id);
}

LC.enable_tinymce = function(handle) {
  //    var module_content = $(handle).next('.module_content');
  var lcb_id = $(handle).up('.module').id;
  var form = $('edit_' + lcb_id);
    
  //    var id = $(handle).up('.module').id;
  if (window['had_to_hide_'+lcb_id]) {
    //        module_content.down('.edit_module_form').show();
    form.show();
    window['had_to_hide_'+lcb_id] = null;
  }
    
  var textarea = form.down('textarea');
  tinyMCE.execCommand("mceAddControl", false, textarea.id);
}

LC.toggle_accounts = function(master) {
  $A($('accounts_scroll_container').getElementsByTagName('input')).each(function(cb){
    cb.checked = master.checked;
  });
}

LC.toggle_series = function(id) {
  Element.toggle(id);
}

/**
 * after replacing a lesson_content_block with the new partial, we have to:
 *  - hook up the edit button listener 
 *  - hook up the cancel button listener
 *  - reattach the tinyMCE editor to the textarea
 */
LC.attach_lesson_content_block_edit_listener = function(lesson_content_block_id) {
  var module = $('lesson_content_block_' + lesson_content_block_id);
  LC.init_edit_module_click(module.down('.edit_module'));
  LC.init_cancel_edit_module_click(module.down('.cancel_edit_module'));
  tinyMCE.execCommand("mceAddControl", false, 'lesson_content_block_content_' + lesson_content_block_id);
}


/**
 * before saving a lesson_content_block via ajax, we have to tell tinyMCE to:
 * - hide the form so we don't see what's happening below
 * - update the hidden textarea with the new contents
 * - remove the tinyMCE control from the textarea or else we won't be able to
 *   reattach it when the partial is replaced.
 */
LC.before_lesson_content_block_save = function(form) {
  $(form).setStyle({
    'visibility': 'hidden'
  });
  Effect.SlideUp(form, {
    duration: 0.4
  });
  tinyMCE.triggerSave(true, true);
  tinyMCE.execCommand("mceRemoveControl", false, $(form).down('textarea').id);
}

LC.init_edit_module_click = function(element) {
  element.observe("click", function(e){
    Event.stop(e);
    this.hide();
    Effect.SlideDown(this.previous(".edit_module_form"), {
      duration: 0.5
    });
  });
}

LC.init_cancel_edit_module_click = function(element) {
  element.observe('click', function(e){
    Event.stop(e);
    _this = this;
    Effect.Fade(this.up('.edit_module_form'), {
      duration: 0.4,
      afterFinish: function(){
        _this.up('form').next('.edit_module').show();
      }
    });
        
  });
}


/**
 * put all of our onload stuff here
 */
LC.on_dom_loaded = function() {

  // set up various slideup/slidedown toggles
  // hash is 'trigger': 'target'
  $H({
    'btn_admin_new_message': 'admin_new_message_form',
    'btn_add_new_feed': 'add_feed_form',
    'btn_add_new_file': 'add_file_form',
    'watch_help': 'video_help',
    'btn_add_new_user': 'add_user_form',
    'media_suggestions_howto_trigger': 'media_suggestions_howto_target',
    'add_edit_calendar_button': 'add_edit_calendar_form_container'
  }).each(function(pair){
    var trigger = $(pair.key);
    var target = $(pair.value);

    if (trigger && target)
      trigger.observe("click", function(e){
        Event.stop(e);
        new Effect[target.visible() ? 'SlideUp' : 'SlideDown'](target, {
          duration: 0.7
        });
      });
  });

  //setup expose module editing form for lesson customize
  $$(".edit_module").each(function(element){
    LC.init_edit_module_click(element);
  });

  // set up the cancel module edit button
  $$('.cancel_edit_module').each(function(element){
    LC.init_cancel_edit_module_click(element);
  });

  LC.setup_light_windows();

  // if we have an uncustomized lesson, show the spinner if any
  // customize link is clicked in the menu
  if (customize_menu = $('lesson_customize_dropdown')) {
    customize_menu.select('a').each(function(el){
      el.observe('click', function(e){
        $('btn_customize_lesson_spinner').setStyle({
          'visibility': 'visible'
        });
      });
    });
  }
  // else just show the spinner when the main button is clicked
  else if (customize_button = $('btn_customize_lesson')) {
    customize_button.observe('click', function(e){
      $('btn_customize_lesson_spinner').setStyle({
        'visibility': 'visible'
      });
    });
  }

  if ($('help_content_container')) {
    $$('#topic_area a').each(function(link){
      link.observe('click', function(e){
        Event.stop(e);
        // clear old selected class
        $$('#topic_area a').each(function(link){
          link.removeClassName('selected')
        });
        // update the current video title
        $('help_player_info').down('h2').update(this.innerHTML);
        // mark current link as selected
        link.addClassName('selected');
        // load the video
        $('video').sendEvent('LOAD', '/images/help/' + link.id.replace('::', '/'));
        // it seems we have to click play twice to prevent playing sound
        // with no picture upon first load
        $('video').sendEvent('PLAY');
        $('video').sendEvent('STOP');
        $('video').sendEvent('PLAY');
      });
    });
  }

  // "What is this?" links
  $$('.explain_container').each(function(container){
    container.down('.explain_trigger a').observe('click', LC.explain_clicked);
  });

  // expand/collapse widgets on dashboard
  $A([
    'hdr_messages',
    'hdr_news',
    'hdr_calendar',
    'hdr_files',
    'hdr_symt_widget'
    ]).each(function(id){
    var trigger = $(id);
    var target = $(id + '_content');

    if (trigger && target)
      trigger.observe("click", function(e){
        Event.stop(e);
        var visible = target.visible();
        new Effect[visible ? 'SlideUp' : 'SlideDown'](target, {
          duration: 0.7
        });

        // remove this element from hidden cookie...
        var old_cookie = (Cookie.get('dash_hidden_widgets') || '').replace(target.id + '|', '');
        Cookie.set('dash_hidden_widgets', old_cookie, 60*60*24*365);

        // ... only add it back if it's hidden
        if (visible) {
          Cookie.set('dash_hidden_widgets', old_cookie + target.id + '|', 60*60*24*365);
        }
      });
  });

  $$('form').each(function(form){
    // enctype="multipart/form-data"
    var enctype = form.getAttribute('enctype');
    if (enctype && enctype.toLowerCase() == 'multipart/form-data') {
      form.observe('submit', closeKeepAlive);
    }
  });

} //end dom:loaded
document.observe('dom:loaded', LC.on_dom_loaded);

LC.alert_errors = function(errors) {
  var form_errors_div = $('form_errors');

  if (errors.join) {
    errors = errors.join(form_errors_div ? '<br/>' : '\n');
  }

  if (form_errors_div) {
    var inner_div = form_errors_div.down('div.error');
    if (!inner_div) {
      inner_div = Builder.node('div', {
        "class": "error"
      });
      form_errors_div.appendChild(inner_div);
    }

    if (form_errors_div.visible()) {
      inner_div.update('');
      form_errors_div.hide();
    }

    inner_div.update("The following errors occurred:<br/><br/>" + errors);
    
    new Effect.Appear(form_errors_div, {
      "duration": 0.25,
      "queue": "end"
    })
  }
  else {
    alert("The following errors occurred:\n\n" + errors);
  }
}

LC.add_stripes = function(table_id) {
  var odd = false;
  var collection;

  if ($(table_id).tagName.toLowerCase() == 'table') {
    collection = $(table_id).getElementsBySelector('tr');
  }
  else {
    odd = true; // start on odd
    collection = $(table_id).getElementsBySelector('li');
  }

  collection.each(function(row){
    row.removeClassName('odd');
    if (odd) {
      row.addClassName('odd');
    }
    odd = !odd;
  });
}

LC.sort_by = function(sel) {
  var url = location.href.replace(/\?.*/, '');
  var value = sel.options[sel.selectedIndex].value;
  var params = location.search.toQueryParams();
  params['sort_by'] = value;
  url += '?' + $H(params).toQueryString();
  location.href = url;
}

// when the title of a media_item is clicked
LC.setup_light_windows = function() {
  $$(".media_item .title a").each(function(link){
    $(link).observe("click", LC.show_light_window);
  });
  $$("a.view_comments").each(function(link){
    $(link).observe("click", LC.show_light_window);
  });
}//end function setup_light_windows

Prototype.Browser.IE6 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 6;
Prototype.Browser.IE7 = Prototype.Browser.IE && parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("MSIE")+5)) == 7;
Prototype.Browser.IE8 = Prototype.Browser.IE && !Prototype.Browser.IE6 && !Prototype.Browser.IE7;


LC.show_light_window = function(e, element) {
  if (e) {
    Event.stop(e);
  }

  if (!element) {
    element = this;
  }

  var popup_id = element.readAttribute("rel");
  var bodyHeight = ((Prototype.Browser.WebKit)? document.body.getHeight() : document.body.scrollHeight);
  var body = element.up("body");
  var bg = document.createElement('div');
  bg.id = "darkBackgroundLayer";
  bg.className = "darkenBackground";
  body.appendChild(bg);

  $("darkBackgroundLayer").style.height = bodyHeight+'px';

  var scrlTop = ((Prototype.Browser.WebKit)? document.body.scrollTop : document.documentElement.scrollTop);
  var winH = document.documentElement.clientHeight;
  var winW = document.documentElement.clientWidth
  var popH = $(popup_id).getDimensions().height;
  var popW = $(popup_id).getDimensions().width;

  // because the lightbox is built inside the main_content_area (which is relatively positioned),
  // we need to subtract its position to get "real" absolute positioning
  var main_content_area = $$('.main_content_area').first();
  mcTop = main_content_area.offsetTop;
  mcLeft = main_content_area.offsetLeft;

  // because IE7 is a broken-4$$ POS
  if (Prototype.Browser.IE7) {
    // pull the light_window out of its place in DOM and put back on the bottom of .content node
    var el = $(popup_id).parentElement.removeChild($(popup_id));
    var content_node = $(document.body).down('.content');
    content_node.appendChild(el);
    mcTop = 0, mcLeft = 0;
  }

  $(popup_id).style.top = (winH/2)-(popH/2)+scrlTop-mcTop+'px';
  $(popup_id).style.left = (winW/2)-(popW/2)-mcLeft+'px';
  $(popup_id).appear({
    duration: 0.75
  });

  $("darkBackgroundLayer").observe("click", function(close_evt){
    LC.close_popup(close_evt, popup_id);
  });
  $(popup_id).down(".lw_close").observe("click", function(close_evt){
    LC.close_popup(close_evt, popup_id);
  });
  Event.observe(document, 'keyup', function(close_evt){
    if (close_evt.keyCode == Event.KEY_ESC) LC.close_popup(close_evt, popup_id);
  });
}

LC.close_popup = function(evt, pop_id) {
  Event.stop(evt);
  $(pop_id).fade({
    duration: 0.5
  });
  setTimeout('$("darkBackgroundLayer").remove();', 600);

  document.stopObserving('keyup');
}

LC.media_suggestion_added = function() {
  new Effect.SlideDown('media_suggestion_added_container');
  setTimeout('new Effect.Fade("media_suggestion_added_container")', 3000);
}

LC.in_place_edit_start = function(static_id) {
  Element.hide(static_id);
  Element.show(static_id + "_form");
  $(static_id + '_form').down('.namefield').select();
}

LC.in_place_edit_cancel = function(static_id) {
  Element.hide(static_id + "_form");
  Element.show(static_id);
  if ($("form_errors")) {
    new Effect.Fade("form_errors", {
      "duration": 0.25
    });
  }
}

LC.calendar_select_changed = function(select) {
  var url = location.href;
  var new_cal = select.options[select.selectedIndex].value;
  location.href = url.replace(/calendars\/([\d]+|my)\/?/i, 'calendars/'+new_cal+'/');
}

LC.show_customize_options = function() {
  if ($('lesson_customize_dropdown').visible()) {
    new Effect.Fade('lesson_customize_dropdown', {
      'duration': 0.15
    });
  }
  else {
    new Effect.Appear('lesson_customize_dropdown', {
      'duration': 0.15
    });
  }
}

// This is a fix for the "__flash__removeCallback" bug with SWF.
if ( ( navigator.userAgent.toLowerCase().indexOf('msie') != -1 ) && ( navigator.userAgent.toLowerCase().indexOf('opera') == -1 ) ) {
  window.attachEvent('onunload', function() {
    window['__flash__removeCallback'] = function (instance, name) {
      try {
        if (instance) {
          instance[name] = null ;
        }
      }
      catch (flashEx) {}
    }
  });
}

LC.init_lesson_tabs = function() {
  $$('.lesson_content_tab_trigger a').each(function(a){
    a.observe('click', LC.lesson_tab_clicked);
  });
  var first = $$('.lesson_content_tabs li:first-child a').first();
  LC.reset_lesson_tabs();
  LC.show_lesson_tab_content(first);
}

LC.reset_lesson_tabs = function(){
  $$('.lesson_content_tab_trigger a').each(function(a){
    a.removeClassName('active');
  });
  $$('.lesson_content_tab_target').each(function(div){
    div.hide();
  });
}

/*
 * the click will come from an <a> tag in an <li>:
 * <li><a href="#">Tab name</a></li>
 */
LC.lesson_tab_clicked = function(evt) {
  LC.reset_lesson_tabs();

  // highlight clicked tab and show content
  var trigger = evt.target;
  LC.show_lesson_tab_content(trigger);
}

/*
 * trigger here is an <a>
 **/
LC.show_lesson_tab_content = function(trigger) {
  trigger.addClassName('active');
  $(trigger.up().id.replace(/_trigger_/, '_target_')).show();
}

LC.explain_clicked = function(evt) {
  var trigger = evt.target;
  var content = trigger.up().next('.explain_content');
  if (content.visible()) {
    new Effect.Fade(content, {
      "duration": 0.25
    });
  }
  else {
    new Effect.SlideDown(content, {
      "duration": 0.25
    });
  }
  evt.stop();
}

/*
 * make the calendar day cells clickable
 *
 */
LC.init_calendar_edit = function() {
  $$('.editable_calendar td').each(function(td){
    td.observe('click', LC.calendar_day_clicked);
  });

  if ($('calendar_edit_popup_close')) {
    $('calendar_edit_popup_close').down('a').observe('click', LC.calendar_edit_day_popup_close);
    //    $('calendar_edit_popup_cancel').down('a').observe('click', LC.calendar_edit_day_popup_close);
    Event.observe(document, 'keyup', function(close_evt){
      if (close_evt.keyCode == Event.KEY_ESC) {
        LC.calendar_edit_day_popup_close(close_evt);
      }
    });
    $$('a.calendar_lightbox').each(function(a){
      a.observe('click', LC.calendar_load_in_lightbox);
    });
  }

  LC.calendar_day_click_enable();
  LC.calendar_init_schedulings_visibility();
}

LC.calendar_day_click_disable = function(draggable, evt) {
  LC.calendar_day_click_enabled = false;
}

LC.calendar_day_click_enable = function(draggable, evt) {
  // delay the enabling slightly to allow the 'click' from drop/dragEnd
  // to go unnoticed.  we only want to capture clicks on the same day cell,
  // not from a move.
  window.setTimeout("LC.calendar_day_click_enabled = true;", 250);
}

/*
 * when a calendar day is clicked:
 * - if an existing event is clicked, we should have an <a> tag - get href
 *   and load content from that
 * - if no existing event, there should be no <a> tag, so load the "new"
 *   partial
 *
 */
LC.calendar_day_clicked = function(evt) {
  if (LC.calendar_day_click_enabled) {
    var popup = $('calendar_edit_popup');
  
    // don't allow another date to be clicked when in the middle of adding/editing already
    if (popup && !popup.visible()) {

      var td = evt.findElement('td');
      LC.edit_active_day = td.id;
      td.addClassName('edit_active');
    
      // day-2010-05-04
      var date_parts = td.id.split('-')
      var date = date_parts[2] + '/' + date_parts[3] + '/' + date_parts[1];
      $('calendar_edit_popup_date').update(date);
      $('calendar_edit_popup_date_container').show();
      $('calendar_edit_popup_background').show();

      var scrollTop = ((Prototype.Browser.WebKit)? document.body.scrollTop : document.documentElement.scrollTop);
      var extra_offset = LC.is_smallgroup ? -120 : -225;
      popup.setStyle({
        "top": extra_offset + scrollTop + 'px'
      });

      // is this a click for new or edit?
      var existing = evt.findElement('div.scheduled-lesson');
      if (!existing) {
        $('calendar_edit_popup_chooser').show();
      }
      else {
        $('calendar_edit_popup_chooser').hide();
        var href = existing.down('a').href;
        
        new Ajax.Updater('calendar_edit_popup_content', href, {
          'onComplete': function(){
            $('calendar_edit_popup_content').show();
          },
          'method': 'get',
          'evalScripts': true
        });
      }
    
      popup.show();
    }
  }
}

LC.calendar_load_in_lightbox = function(evt) {
  evt.stop();

  var popup = $('calendar_edit_popup');
  if (!popup.visible()) {
    new Ajax.Updater('calendar_edit_popup_content', evt.element().href, {
      'onComplete': function(){
        var scrollTop = ((Prototype.Browser.WebKit)? document.body.scrollTop : document.documentElement.scrollTop);
        var extra_offset = LC.is_smallgroup ? -120 : -200;
        $('calendar_edit_popup').setStyle({
          "top": extra_offset + scrollTop + 'px'
        });
        $('calendar_edit_popup_background').show();
        $('calendar_edit_popup_content').show();
        $('calendar_edit_popup').show();
      },
      'method': 'get',
      'evalScripts': true
    });
  }

}

LC.calendar_edit_day_popup_close = function(evt) {
  if (evt) {
    evt.stop();
  }
  $('calendar_edit_popup_date_container').hide();
  $('calendar_edit_popup_content').hide();
  $('calendar_edit_popup_chooser').hide();
  $('calendar_edit_popup').hide();
  $('calendar_edit_popup_background').hide();
  if ($(LC.edit_active_day)) {
    $(LC.edit_active_day).removeClassName('edit_active');
  }
}

/**
 * if no calendars are 'checked', we'll make the first one visible.
 * */
LC.calendar_init_schedulings_visibility = function() {
  var all_unchecked = $('edit_calendars_list').select('li input').inject(true, function(all_unchecked, cb){
    return (all_unchecked &= !cb.checked);
  });
  if (all_unchecked) {
    var first = $('edit_calendars_list').down('li input');
    first.checked = true;
    LC.calendar_toggle_schedulings_visibility(first);
  }
  LC.calendar_show_visible_schedulings();
}

/**
 * makes the schedulings visible for calendars that are checked
 **/
LC.calendar_show_visible_schedulings = function() {
  var types = $A((Cookie.get('visible_schedulings') || '').split('|'));

  $$('.scheduled-lesson').each(Element.hide);

  types.each(function(type){
    $$('.calendar_color_'+type+'.scheduled-lesson').each(Element.show);
  });
}
LC.calendar_toggle_schedulings_visibility = function(cb) {
  var cookie = (Cookie.get('visible_schedulings') || '');
  var types = $A(cookie.split('|'));
  types = types.reject(function(el){
    return el == cb.value || el.length == 0
  });

  if (cb.checked) {
    types.push(cb.value);
  }

  types = types.join('|');
  Cookie.set('visible_schedulings', types, 1000 * 60 * 60 * 24 * 30 * 12);
  LC.calendar_show_visible_schedulings();
}

LessonFinder = Class.create({

  initialize: function(container_id) {
    this.container = $(container_id);

    this.container.select('ul#years li').each(function(li){
      li.observe('click', this.year_clicked.bindAsEventListener(this));
    }, this);
    this.container.select('ul.series li').each(function(li){
      li.observe('click', this.series_clicked.bindAsEventListener(this));
    }, this);
    this.container.select('ul.lessons li').each(function(li){
      li.observe('click', this.lesson_clicked.bindAsEventListener(this));
    }, this);
  },

  year_clicked: function(evt) {
    this.deselect_all(['years', 'series', 'lessons']);
    this.hide_list(['lessons', 'series']);

    var li = evt.element();
    li.addClassName('selected');
    var series = $(li.id + '_series');
    this.add_to_finder(series);
  },

  series_clicked: function(evt) {
    this.deselect_all(['series', 'lessons']);
    this.hide_list(['lessons']);

    var li = evt.element();
    li.addClassName('selected');
    var lessons = $(li.id + '_lessons');
    this.add_to_finder(lessons);
  },

  lesson_clicked: function(evt) {
    this.deselect_all(['lessons']);

    var li = evt.element();
    li.addClassName('selected');
    // id is like: year_28_series_307_lesson_1223
    var lesson_id = li.id.split('lesson_').last();
    this.container.down('input.hidden_lesson_id').value = lesson_id;
  },

  add_to_finder: function(el) {
    this.grow_finder_by(el);
    el.show();
    this.scroll_right();
  },

  deselect_all: function(classes) {
    $A(classes).each(function(class_name){
      this.container.select('ul.'+class_name+' li').each(function(li){
        li.removeClassName('selected');
      });
    }, this);
    this.container.down('input.hidden_lesson_id').value = null;
  },

  hide_list: function(classes) {
    $A(classes).each(function(class_name){
      this.container.select('ul.' + class_name).each(function(ul){
        if (ul.visible()) {
          this.shrink_finder_by(ul);
          ul.hide();
        }
      }, this);
    }, this);
  },

  grow_finder_by: function(obj) {
    //    var obj_w = parseInt(obj.getStyle('width'), 10) + 15;
    //    this.resize_finder_by(obj_w);
    // hardcoding to 315 to quickly work around IE's crappiness
    this.resize_finder_by(315);
  },

  shrink_finder_by: function(obj) {
    //    var obj_w = parseInt(obj.getStyle('width'), 10) + 15;
    //    this.resize_finder_by(-obj_w);
    // hardcoding to 315 to quickly work around IE's crappiness
    this.resize_finder_by(-315);
  },

  resize_finder_by: function(n) {
    var inner = this.container.down('#lesson_finder_inner');
    var inner_w = parseInt(inner.getStyle('width'), 10);
    inner.setStyle({
      "width": (inner_w + n + 'px')
    });
  },

  scroll_right: function() {
    this.container.scrollLeft = this.container.scrollWidth;
  }

});

LC.show_ajax_notifications = function(id) {
  $('ajax_notifications').show();
  new Effect.Appear(id);
  window.setTimeout('LC.hide_ajax_notification("'+id+'");', 3000);
}
LC.hide_ajax_notification = function(id) {
  new Effect.Fade(id, {
    "afterFinish": function() {
      $(id).remove();
      LC.hide_ajax_notifications();
    }
  });
}
LC.hide_ajax_notifications = function() {
  if ($('ajax_notifications').childElements().size() < 1) {
    $('ajax_notifications').hide();
  }
}

LC.global_var_value_type_changed = function(sel) {
  var type = sel.options[sel.selectedIndex].value;
  var div = $(type + '_value')

  // hide/disable all
  $$('.value_container').each(function(div){
    div.hide();
    div.down('.value_field').disable();
  });

  // enable the selected type
  if (div) {
    div.down('.value_field').enable();
    div.show();
  }
}

LC.disable_submit = function(el) {
  window.setTimeout(function(){
    el.disabled = true
  }, 50);
}

LC.all_day_clicked = function(cb) {
  if (cb.checked) {
    $('calendar_event_start_time').setStyle({
      "visibility": "hidden"
    });
    $('calendar_event_end_time').setStyle({
      "visibility": "hidden"
    });
  }
  else {
    $('calendar_event_start_time').setStyle({
      "visibility": "visible"
    });
    $('calendar_event_end_time').setStyle({
      "visibility": "visible"
    });
  }
}



/* 
 * http://blog.airbladesoftware.com/2007/8/17/note-to-self-prevent-uploads-hanging-in-safari
 *
 * A pretty little hack to make uploads not hang in Safari. Just call this
 * immediately before the upload is submitted. This does an Ajax call to
 * the server, which returns an empty document with the "Connection: close"
 * header, telling Safari to close the active connection. A hack, but
 * effective.
 *
 * */
function closeKeepAlive() {
  if (/AppleWebKit|MSIE/.test(navigator.userAgent)) {
    new Ajax.Request("/ping/close", {
      asynchronous:false
    });
  }
}


/* SWFObject v2.1 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/
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/*  Copyright Mihai Bazon, 2002-2005  |  www.bazon.net/mishoo
 * -----------------------------------------------------------
 *
 * The DHTML Calendar, version 1.0 "It is happening again"
 *
 * Details and latest version at:
 * www.dynarch.com/projects/calendar
 *
 * This script is developed by Dynarch.com.  Visit us at www.dynarch.com.
 *
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 */
 Calendar=function(firstDayOfWeek,dateStr,onSelected,onClose){this.activeDiv=null;this.currentDateEl=null;this.getDateStatus=null;this.getDateToolTip=null;this.getDateText=null;this.timeout=null;this.onSelected=onSelected||null;this.onClose=onClose||null;this.dragging=false;this.hidden=false;this.minYear=1970;this.maxYear=2050;this.dateFormat=Calendar._TT["DEF_DATE_FORMAT"];this.ttDateFormat=Calendar._TT["TT_DATE_FORMAT"];this.isPopup=true;this.weekNumbers=true;this.firstDayOfWeek=typeof firstDayOfWeek=="number"?firstDayOfWeek:Calendar._FD;this.showsOtherMonths=false;this.dateStr=dateStr;this.ar_days=null;this.showsTime=false;this.time24=true;this.yearStep=2;this.hiliteToday=true;this.multiple=null;this.table=null;this.element=null;this.tbody=null;this.firstdayname=null;this.monthsCombo=null;this.yearsCombo=null;this.hilitedMonth=null;this.activeMonth=null;this.hilitedYear=null;this.activeYear=null;this.dateClicked=false;if(typeof Calendar._SDN=="undefined"){if(typeof Calendar._SDN_len=="undefined")Calendar._SDN_len=3;var ar=new Array();for(var i=8;i>0;){ar[--i]=Calendar._DN[i].substr(0,Calendar._SDN_len);}Calendar._SDN=ar;if(typeof Calendar._SMN_len=="undefined")Calendar._SMN_len=3;ar=new Array();for(var i=12;i>0;){ar[--i]=Calendar._MN[i].substr(0,Calendar._SMN_len);}Calendar._SMN=ar;}};Calendar._C=null;Calendar.is_ie=(/msie/i.test(navigator.userAgent)&&!/opera/i.test(navigator.userAgent));Calendar.is_ie5=(Calendar.is_ie&&/msie 5\.0/i.test(navigator.userAgent));Calendar.is_opera=/opera/i.test(navigator.userAgent);Calendar.is_khtml=/Konqueror|Safari|KHTML/i.test(navigator.userAgent);Calendar.getAbsolutePos=function(el){var SL=0,ST=0;var is_div=/^div$/i.test(el.tagName);if(is_div&&el.scrollLeft)SL=el.scrollLeft;if(is_div&&el.scrollTop)ST=el.scrollTop;var r={x:el.offsetLeft-SL,y:el.offsetTop-ST};if(el.offsetParent){var tmp=this.getAbsolutePos(el.offsetParent);r.x+=tmp.x;r.y+=tmp.y;}return r;};Calendar.isRelated=function(el,evt){var related=evt.relatedTarget;if(!related){var type=evt.type;if(type=="mouseover"){related=evt.fromElement;}else if(type=="mouseout"){related=evt.toElement;}}while(related){if(related==el){return true;}related=related.parentNode;}return false;};Calendar.removeClass=function(el,className){if(!(el&&el.className)){return;}var cls=el.className.split(" ");var ar=new Array();for(var i=cls.length;i>0;){if(cls[--i]!=className){ar[ar.length]=cls[i];}}el.className=ar.join(" ");};Calendar.addClass=function(el,className){Calendar.removeClass(el,className);el.className+=" "+className;};Calendar.getElement=function(ev){var f=Calendar.is_ie?window.event.srcElement:ev.currentTarget;while(f.nodeType!=1||/^div$/i.test(f.tagName))f=f.parentNode;return f;};Calendar.getTargetElement=function(ev){var f=Calendar.is_ie?window.event.srcElement:ev.target;while(f.nodeType!=1)f=f.parentNode;return f;};Calendar.stopEvent=function(ev){ev||(ev=window.event);if(Calendar.is_ie){ev.cancelBubble=true;ev.returnValue=false;}else{ev.preventDefault();ev.stopPropagation();}return false;};Calendar.addEvent=function(el,evname,func){if(el.attachEvent){el.attachEvent("on"+evname,func);}else if(el.addEventListener){el.addEventListener(evname,func,true);}else{el["on"+evname]=func;}};Calendar.removeEvent=function(el,evname,func){if(el.detachEvent){el.detachEvent("on"+evname,func);}else if(el.removeEventListener){el.removeEventListener(evname,func,true);}else{el["on"+evname]=null;}};Calendar.createElement=function(type,parent){var el=null;if(document.createElementNS){el=document.createElementNS("http://www.w3.org/1999/xhtml",type);}else{el=document.createElement(type);}if(typeof parent!="undefined"){parent.appendChild(el);}return el;};Calendar._add_evs=function(el){with(Calendar){addEvent(el,"mouseover",dayMouseOver);addEvent(el,"mousedown",dayMouseDown);addEvent(el,"mouseout",dayMouseOut);if(is_ie){addEvent(el,"dblclick",dayMouseDblClick);el.setAttribute("unselectable",true);}}};Calendar.findMonth=function(el){if(typeof el.month!="undefined"){return el;}else if(typeof el.parentNode.month!="undefined"){return el.parentNode;}return null;};Calendar.findYear=function(el){if(typeof el.year!="undefined"){return el;}else if(typeof el.parentNode.year!="undefined"){return el.parentNode;}return null;};Calendar.showMonthsCombo=function(){var cal=Calendar._C;if(!cal){return false;}var cal=cal;var cd=cal.activeDiv;var mc=cal.monthsCombo;if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}if(cal.activeMonth){Calendar.removeClass(cal.activeMonth,"active");}var mon=cal.monthsCombo.getElementsByTagName("div")[cal.date.getMonth()];Calendar.addClass(mon,"active");cal.activeMonth=mon;var s=mc.style;s.display="block";if(cd.navtype<0)s.left=cd.offsetLeft+"px";else{var mcw=mc.offsetWidth;if(typeof mcw=="undefined")mcw=50;s.left=(cd.offsetLeft+cd.offsetWidth-mcw)+"px";}s.top=(cd.offsetTop+cd.offsetHeight)+"px";};Calendar.showYearsCombo=function(fwd){var cal=Calendar._C;if(!cal){return false;}var cal=cal;var cd=cal.activeDiv;var yc=cal.yearsCombo;if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}if(cal.activeYear){Calendar.removeClass(cal.activeYear,"active");}cal.activeYear=null;var Y=cal.date.getFullYear()+(fwd?1:-1);var yr=yc.firstChild;var show=false;for(var i=12;i>0;--i){if(Y>=cal.minYear&&Y<=cal.maxYear){yr.innerHTML=Y;yr.year=Y;yr.style.display="block";show=true;}else{yr.style.display="none";}yr=yr.nextSibling;Y+=fwd?cal.yearStep:-cal.yearStep;}if(show){var s=yc.style;s.display="block";if(cd.navtype<0)s.left=cd.offsetLeft+"px";else{var ycw=yc.offsetWidth;if(typeof ycw=="undefined")ycw=50;s.left=(cd.offsetLeft+cd.offsetWidth-ycw)+"px";}s.top=(cd.offsetTop+cd.offsetHeight)+"px";}};Calendar.tableMouseUp=function(ev){var cal=Calendar._C;if(!cal){return false;}if(cal.timeout){clearTimeout(cal.timeout);}var el=cal.activeDiv;if(!el){return false;}var target=Calendar.getTargetElement(ev);ev||(ev=window.event);Calendar.removeClass(el,"active");if(target==el||target.parentNode==el){Calendar.cellClick(el,ev);}var mon=Calendar.findMonth(target);var date=null;if(mon){date=new Date(cal.date);if(mon.month!=date.getMonth()){date.setMonth(mon.month);cal.setDate(date);cal.dateClicked=false;cal.callHandler();}}else{var year=Calendar.findYear(target);if(year){date=new Date(cal.date);if(year.year!=date.getFullYear()){date.setFullYear(year.year);cal.setDate(date);cal.dateClicked=false;cal.callHandler();}}}with(Calendar){removeEvent(document,"mouseup",tableMouseUp);removeEvent(document,"mouseover",tableMouseOver);removeEvent(document,"mousemove",tableMouseOver);cal._hideCombos();_C=null;return stopEvent(ev);}};Calendar.tableMouseOver=function(ev){var cal=Calendar._C;if(!cal){return;}var el=cal.activeDiv;var target=Calendar.getTargetElement(ev);if(target==el||target.parentNode==el){Calendar.addClass(el,"hilite active");Calendar.addClass(el.parentNode,"rowhilite");}else{if(typeof el.navtype=="undefined"||(el.navtype!=50&&(el.navtype==0||Math.abs(el.navtype)>2)))Calendar.removeClass(el,"active");Calendar.removeClass(el,"hilite");Calendar.removeClass(el.parentNode,"rowhilite");}ev||(ev=window.event);if(el.navtype==50&&target!=el){var pos=Calendar.getAbsolutePos(el);var w=el.offsetWidth;var x=ev.clientX;var dx;var decrease=true;if(x>pos.x+w){dx=x-pos.x-w;decrease=false;}else dx=pos.x-x;if(dx<0)dx=0;var range=el._range;var current=el._current;var count=Math.floor(dx/10)%range.length;for(var i=range.length;--i>=0;)if(range[i]==current)break;while(count-->0)if(decrease){if(--i<0)i=range.length-1;}else if(++i>=range.length)i=0;var newval=range[i];el.innerHTML=newval;cal.onUpdateTime();}var mon=Calendar.findMonth(target);if(mon){if(mon.month!=cal.date.getMonth()){if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}Calendar.addClass(mon,"hilite");cal.hilitedMonth=mon;}else if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}}else{if(cal.hilitedMonth){Calendar.removeClass(cal.hilitedMonth,"hilite");}var year=Calendar.findYear(target);if(year){if(year.year!=cal.date.getFullYear()){if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}Calendar.addClass(year,"hilite");cal.hilitedYear=year;}else if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}}else if(cal.hilitedYear){Calendar.removeClass(cal.hilitedYear,"hilite");}}return Calendar.stopEvent(ev);};Calendar.tableMouseDown=function(ev){if(Calendar.getTargetElement(ev)==Calendar.getElement(ev)){return Calendar.stopEvent(ev);}};Calendar.calDragIt=function(ev){var cal=Calendar._C;if(!(cal&&cal.dragging)){return false;}var posX;var posY;if(Calendar.is_ie){posY=window.event.clientY+document.body.scrollTop;posX=window.event.clientX+document.body.scrollLeft;}else{posX=ev.pageX;posY=ev.pageY;}cal.hideShowCovered();var st=cal.element.style;st.left=(posX-cal.xOffs)+"px";st.top=(posY-cal.yOffs)+"px";return Calendar.stopEvent(ev);};Calendar.calDragEnd=function(ev){var cal=Calendar._C;if(!cal){return false;}cal.dragging=false;with(Calendar){removeEvent(document,"mousemove",calDragIt);removeEvent(document,"mouseup",calDragEnd);tableMouseUp(ev);}cal.hideShowCovered();};Calendar.dayMouseDown=function(ev){var el=Calendar.getElement(ev);if(el.disabled){return false;}var cal=el.calendar;cal.activeDiv=el;Calendar._C=cal;if(el.navtype!=300)with(Calendar){if(el.navtype==50){el._current=el.innerHTML;addEvent(document,"mousemove",tableMouseOver);}else addEvent(document,Calendar.is_ie5?"mousemove":"mouseover",tableMouseOver);addClass(el,"hilite active");addEvent(document,"mouseup",tableMouseUp);}else if(cal.isPopup){cal._dragStart(ev);}if(el.navtype==-1||el.navtype==1){if(cal.timeout)clearTimeout(cal.timeout);cal.timeout=setTimeout("Calendar.showMonthsCombo()",250);}else if(el.navtype==-2||el.navtype==2){if(cal.timeout)clearTimeout(cal.timeout);cal.timeout=setTimeout((el.navtype>0)?"Calendar.showYearsCombo(true)":"Calendar.showYearsCombo(false)",250);}else{cal.timeout=null;}return Calendar.stopEvent(ev);};Calendar.dayMouseDblClick=function(ev){Calendar.cellClick(Calendar.getElement(ev),ev||window.event);if(Calendar.is_ie){document.selection.empty();}};Calendar.dayMouseOver=function(ev){var el=Calendar.getElement(ev);if(Calendar.isRelated(el,ev)||Calendar._C||el.disabled){return false;}if(el.ttip){if(el.ttip.substr(0,1)=="_"){el.ttip=el.caldate.print(el.calendar.ttDateFormat)+el.ttip.substr(1);}el.calendar.tooltips.innerHTML=el.ttip;}if(el.navtype!=300){Calendar.addClass(el,"hilite");if(el.caldate){Calendar.addClass(el.parentNode,"rowhilite");}}return Calendar.stopEvent(ev);};Calendar.dayMouseOut=function(ev){with(Calendar){var el=getElement(ev);if(isRelated(el,ev)||_C||el.disabled)return false;removeClass(el,"hilite");if(el.caldate)removeClass(el.parentNode,"rowhilite");if(el.calendar)el.calendar.tooltips.innerHTML=_TT["SEL_DATE"];return stopEvent(ev);}};Calendar.cellClick=function(el,ev){var cal=el.calendar;var closing=false;var newdate=false;var date=null;if(typeof el.navtype=="undefined"){if(cal.currentDateEl){Calendar.removeClass(cal.currentDateEl,"selected");Calendar.addClass(el,"selected");closing=(cal.currentDateEl==el);if(!closing){cal.currentDateEl=el;}}cal.date.setDateOnly(el.caldate);date=cal.date;var other_month=!(cal.dateClicked=!el.otherMonth);if(!other_month&&!cal.currentDateEl)cal._toggleMultipleDate(new Date(date));else newdate=!el.disabled;if(other_month)cal._init(cal.firstDayOfWeek,date);}else{if(el.navtype==200){Calendar.removeClass(el,"hilite");cal.callCloseHandler();return;}date=new Date(cal.date);if(el.navtype==0)date.setDateOnly(new Date());cal.dateClicked=false;var year=date.getFullYear();var mon=date.getMonth();function setMonth(m){var day=date.getDate();var max=date.getMonthDays(m);if(day>max){date.setDate(max);}date.setMonth(m);};switch(el.navtype){case 400:Calendar.removeClass(el,"hilite");var text=Calendar._TT["ABOUT"];if(typeof text!="undefined"){text+=cal.showsTime?Calendar._TT["ABOUT_TIME"]:"";}else{text="Help and about box text is not translated into this language.\n"+"If you know this language and you feel generous please update\n"+"the corresponding file in \"lang\" subdir to match calendar-en.js\n"+"and send it back to <mihai_bazon@yahoo.com> to get it into the distribution  ;-)\n\n"+"Thank you!\n"+"http://dynarch.com/mishoo/calendar.epl\n";}alert(text);return;case-2:if(year>cal.minYear){date.setFullYear(year-1);}break;case-1:if(mon>0){setMonth(mon-1);}else if(year-->cal.minYear){date.setFullYear(year);setMonth(11);}break;case 1:if(mon<11){setMonth(mon+1);}else if(year<cal.maxYear){date.setFullYear(year+1);setMonth(0);}break;case 2:if(year<cal.maxYear){date.setFullYear(year+1);}break;case 100:cal.setFirstDayOfWeek(el.fdow);return;case 50:var range=el._range;var current=el.innerHTML;for(var i=range.length;--i>=0;)if(range[i]==current)break;if(ev&&ev.shiftKey){if(--i<0)i=range.length-1;}else if(++i>=range.length)i=0;var newval=range[i];el.innerHTML=newval;cal.onUpdateTime();return;case 0:if((typeof cal.getDateStatus=="function")&&cal.getDateStatus(date,date.getFullYear(),date.getMonth(),date.getDate())){return false;}break;}if(!date.equalsTo(cal.date)){cal.setDate(date);newdate=true;}else if(el.navtype==0)newdate=closing=true;}if(newdate){ev&&cal.callHandler();}if(closing){Calendar.removeClass(el,"hilite");ev&&cal.callCloseHandler();}};Calendar.prototype.create=function(_par){var parent=null;if(!_par){parent=document.getElementsByTagName("body")[0];this.isPopup=true;}else{parent=_par;this.isPopup=false;}this.date=this.dateStr?new Date(this.dateStr):new Date();var table=Calendar.createElement("table");this.table=table;table.cellSpacing=0;table.cellPadding=0;table.calendar=this;Calendar.addEvent(table,"mousedown",Calendar.tableMouseDown);var div=Calendar.createElement("div");this.element=div;div.className="calendar";if(this.isPopup){div.style.position="absolute";div.style.display="none";}div.appendChild(table);var thead=Calendar.createElement("thead",table);var cell=null;var row=null;var cal=this;var hh=function(text,cs,navtype){cell=Calendar.createElement("td",row);cell.colSpan=cs;cell.className="button";if(navtype!=0&&Math.abs(navtype)<=2)cell.className+=" nav";Calendar._add_evs(cell);cell.calendar=cal;cell.navtype=navtype;cell.innerHTML="<div unselectable='on'>"+text+"</div>";return cell;};row=Calendar.createElement("tr",thead);var title_length=6;(this.isPopup)&&--title_length;(this.weekNumbers)&&++title_length;hh("?",1,400).ttip=Calendar._TT["INFO"];this.title=hh("",title_length,300);this.title.className="title";if(this.isPopup){this.title.ttip=Calendar._TT["DRAG_TO_MOVE"];this.title.style.cursor="move";hh("&#x00d7;",1,200).ttip=Calendar._TT["CLOSE"];}row=Calendar.createElement("tr",thead);row.className="headrow";this._nav_py=hh("&#x00ab;",1,-2);this._nav_py.ttip=Calendar._TT["PREV_YEAR"];this._nav_pm=hh("&#x2039;",1,-1);this._nav_pm.ttip=Calendar._TT["PREV_MONTH"];this._nav_now=hh(Calendar._TT["TODAY"],this.weekNumbers?4:3,0);this._nav_now.ttip=Calendar._TT["GO_TODAY"];this._nav_nm=hh("&#x203a;",1,1);this._nav_nm.ttip=Calendar._TT["NEXT_MONTH"];this._nav_ny=hh("&#x00bb;",1,2);this._nav_ny.ttip=Calendar._TT["NEXT_YEAR"];row=Calendar.createElement("tr",thead);row.className="daynames";if(this.weekNumbers){cell=Calendar.createElement("td",row);cell.className="name wn";cell.innerHTML=Calendar._TT["WK"];}for(var i=7;i>0;--i){cell=Calendar.createElement("td",row);if(!i){cell.navtype=100;cell.calendar=this;Calendar._add_evs(cell);}}this.firstdayname=(this.weekNumbers)?row.firstChild.nextSibling:row.firstChild;this._displayWeekdays();var tbody=Calendar.createElement("tbody",table);this.tbody=tbody;for(i=6;i>0;--i){row=Calendar.createElement("tr",tbody);if(this.weekNumbers){cell=Calendar.createElement("td",row);}for(var j=7;j>0;--j){cell=Calendar.createElement("td",row);cell.calendar=this;Calendar._add_evs(cell);}}if(this.showsTime){row=Calendar.createElement("tr",tbody);row.className="time";cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=2;cell.innerHTML=Calendar._TT["TIME"]||"&nbsp;";cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=this.weekNumbers?4:3;(function(){function makeTimePart(className,init,range_start,range_end){var part=Calendar.createElement("span",cell);part.className=className;part.innerHTML=init;part.calendar=cal;part.ttip=Calendar._TT["TIME_PART"];part.navtype=50;part._range=[];if(typeof range_start!="number")part._range=range_start;else{for(var i=range_start;i<=range_end;++i){var txt;if(i<10&&range_end>=10)txt='0'+i;else txt=''+i;part._range[part._range.length]=txt;}}Calendar._add_evs(part);return part;};var hrs=cal.date.getHours();var mins=cal.date.getMinutes();var t12=!cal.time24;var pm=(hrs>12);if(t12&&pm)hrs-=12;var H=makeTimePart("hour",hrs,t12?1:0,t12?12:23);var span=Calendar.createElement("span",cell);span.innerHTML=":";span.className="colon";var M=makeTimePart("minute",mins,0,59);var AP=null;cell=Calendar.createElement("td",row);cell.className="time";cell.colSpan=2;if(t12)AP=makeTimePart("ampm",pm?"pm":"am",["am","pm"]);else cell.innerHTML="&nbsp;";cal.onSetTime=function(){var pm,hrs=this.date.getHours(),mins=this.date.getMinutes();if(t12){pm=(hrs>=12);if(pm)hrs-=12;if(hrs==0)hrs=12;AP.innerHTML=pm?"pm":"am";}H.innerHTML=(hrs<10)?("0"+hrs):hrs;M.innerHTML=(mins<10)?("0"+mins):mins;};cal.onUpdateTime=function(){var date=this.date;var h=parseInt(H.innerHTML,10);if(t12){if(/pm/i.test(AP.innerHTML)&&h<12)h+=12;else if(/am/i.test(AP.innerHTML)&&h==12)h=0;}var d=date.getDate();var m=date.getMonth();var y=date.getFullYear();date.setHours(h);date.setMinutes(parseInt(M.innerHTML,10));date.setFullYear(y);date.setMonth(m);date.setDate(d);this.dateClicked=false;this.callHandler();};})();}else{this.onSetTime=this.onUpdateTime=function(){};}var tfoot=Calendar.createElement("tfoot",table);row=Calendar.createElement("tr",tfoot);row.className="footrow";cell=hh(Calendar._TT["SEL_DATE"],this.weekNumbers?8:7,300);cell.className="ttip";if(this.isPopup){cell.ttip=Calendar._TT["DRAG_TO_MOVE"];cell.style.cursor="move";}this.tooltips=cell;div=Calendar.createElement("div",this.element);this.monthsCombo=div;div.className="combo";for(i=0;i<Calendar._MN.length;++i){var mn=Calendar.createElement("div");mn.className=Calendar.is_ie?"label-IEfix":"label";mn.month=i;mn.innerHTML=Calendar._SMN[i];div.appendChild(mn);}div=Calendar.createElement("div",this.element);this.yearsCombo=div;div.className="combo";for(i=12;i>0;--i){var yr=Calendar.createElement("div");yr.className=Calendar.is_ie?"label-IEfix":"label";div.appendChild(yr);}this._init(this.firstDayOfWeek,this.date);parent.appendChild(this.element);};Calendar._keyEvent=function(ev){var cal=window._dynarch_popupCalendar;if(!cal||cal.multiple)return false;(Calendar.is_ie)&&(ev=window.event);var act=(Calendar.is_ie||ev.type=="keypress"),K=ev.keyCode;if(ev.ctrlKey){switch(K){case 37:act&&Calendar.cellClick(cal._nav_pm);break;case 38:act&&Calendar.cellClick(cal._nav_py);break;case 39:act&&Calendar.cellClick(cal._nav_nm);break;case 40:act&&Calendar.cellClick(cal._nav_ny);break;default:return false;}}else switch(K){case 32:Calendar.cellClick(cal._nav_now);break;case 27:act&&cal.callCloseHandler();break;case 37:case 38:case 39:case 40:if(act){var prev,x,y,ne,el,step;prev=K==37||K==38;step=(K==37||K==39)?1:7;function setVars(){el=cal.currentDateEl;var p=el.pos;x=p&15;y=p>>4;ne=cal.ar_days[y][x];};setVars();function prevMonth(){var date=new Date(cal.date);date.setDate(date.getDate()-step);cal.setDate(date);};function nextMonth(){var date=new Date(cal.date);date.setDate(date.getDate()+step);cal.setDate(date);};while(1){switch(K){case 37:if(--x>=0)ne=cal.ar_days[y][x];else{x=6;K=38;continue;}break;case 38:if(--y>=0)ne=cal.ar_days[y][x];else{prevMonth();setVars();}break;case 39:if(++x<7)ne=cal.ar_days[y][x];else{x=0;K=40;continue;}break;case 40:if(++y<cal.ar_days.length)ne=cal.ar_days[y][x];else{nextMonth();setVars();}break;}break;}if(ne){if(!ne.disabled)Calendar.cellClick(ne);else if(prev)prevMonth();else nextMonth();}}break;case 13:if(act)Calendar.cellClick(cal.currentDateEl,ev);break;default:return false;}return Calendar.stopEvent(ev);};Calendar.prototype._init=function(firstDayOfWeek,date){var today=new Date(),TY=today.getFullYear(),TM=today.getMonth(),TD=today.getDate();this.table.style.visibility="hidden";var year=date.getFullYear();if(year<this.minYear){year=this.minYear;date.setFullYear(year);}else if(year>this.maxYear){year=this.maxYear;date.setFullYear(year);}this.firstDayOfWeek=firstDayOfWeek;this.date=new Date(date);var month=date.getMonth();var mday=date.getDate();var no_days=date.getMonthDays();date.setDate(1);var day1=(date.getDay()-this.firstDayOfWeek)%7;if(day1<0)day1+=7;date.setDate(-day1);date.setDate(date.getDate()+1);var row=this.tbody.firstChild;var MN=Calendar._SMN[month];var ar_days=this.ar_days=new Array();var weekend=Calendar._TT["WEEKEND"];var dates=this.multiple?(this.datesCells={}):null;for(var i=0;i<6;++i,row=row.nextSibling){var cell=row.firstChild;if(this.weekNumbers){cell.className="day wn";cell.innerHTML=date.getWeekNumber();cell=cell.nextSibling;}row.className="daysrow";var hasdays=false,iday,dpos=ar_days[i]=[];for(var j=0;j<7;++j,cell=cell.nextSibling,date.setDate(iday+1)){iday=date.getDate();var wday=date.getDay();cell.className="day";cell.pos=i<<4|j;dpos[j]=cell;var current_month=(date.getMonth()==month);if(!current_month){if(this.showsOtherMonths){cell.className+=" othermonth";cell.otherMonth=true;}else{cell.className="emptycell";cell.innerHTML="&nbsp;";cell.disabled=true;continue;}}else{cell.otherMonth=false;hasdays=true;}cell.disabled=false;cell.innerHTML=this.getDateText?this.getDateText(date,iday):iday;if(dates)dates[date.print("%Y%m%d")]=cell;if(this.getDateStatus){var status=this.getDateStatus(date,year,month,iday);if(this.getDateToolTip){var toolTip=this.getDateToolTip(date,year,month,iday);if(toolTip)cell.title=toolTip;}if(status===true){cell.className+=" disabled";cell.disabled=true;}else{if(/disabled/i.test(status))cell.disabled=true;cell.className+=" "+status;}}if(!cell.disabled){cell.caldate=new Date(date);cell.ttip="_";if(!this.multiple&&current_month&&iday==mday&&this.hiliteToday){cell.className+=" selected";this.currentDateEl=cell;}if(date.getFullYear()==TY&&date.getMonth()==TM&&iday==TD){cell.className+=" today";cell.ttip+=Calendar._TT["PART_TODAY"];}if(weekend.indexOf(wday.toString())!=-1)cell.className+=cell.otherMonth?" oweekend":" weekend";}}if(!(hasdays||this.showsOtherMonths))row.className="emptyrow";}this.title.innerHTML=Calendar._MN[month]+", "+year;this.onSetTime();this.table.style.visibility="visible";this._initMultipleDates();};Calendar.prototype._initMultipleDates=function(){if(this.multiple){for(var i in this.multiple){var cell=this.datesCells[i];var d=this.multiple[i];if(!d)continue;if(cell)cell.className+=" selected";}}};Calendar.prototype._toggleMultipleDate=function(date){if(this.multiple){var ds=date.print("%Y%m%d");var cell=this.datesCells[ds];if(cell){var d=this.multiple[ds];if(!d){Calendar.addClass(cell,"selected");this.multiple[ds]=date;}else{Calendar.removeClass(cell,"selected");delete this.multiple[ds];}}}};Calendar.prototype.setDateToolTipHandler=function(unaryFunction){this.getDateToolTip=unaryFunction;};Calendar.prototype.setDate=function(date){if(!date.equalsTo(this.date)){this._init(this.firstDayOfWeek,date);}};Calendar.prototype.refresh=function(){this._init(this.firstDayOfWeek,this.date);};Calendar.prototype.setFirstDayOfWeek=function(firstDayOfWeek){this._init(firstDayOfWeek,this.date);this._displayWeekdays();};Calendar.prototype.setDateStatusHandler=Calendar.prototype.setDisabledHandler=function(unaryFunction){this.getDateStatus=unaryFunction;};Calendar.prototype.setRange=function(a,z){this.minYear=a;this.maxYear=z;};Calendar.prototype.callHandler=function(){if(this.onSelected){this.onSelected(this,this.date.print(this.dateFormat));}};Calendar.prototype.callCloseHandler=function(){if(this.onClose){this.onClose(this);}this.hideShowCovered();};Calendar.prototype.destroy=function(){var el=this.element.parentNode;el.removeChild(this.element);Calendar._C=null;window._dynarch_popupCalendar=null;};Calendar.prototype.reparent=function(new_parent){var el=this.element;el.parentNode.removeChild(el);new_parent.appendChild(el);};Calendar._checkCalendar=function(ev){var calendar=window._dynarch_popupCalendar;if(!calendar){return false;}var el=Calendar.is_ie?Calendar.getElement(ev):Calendar.getTargetElement(ev);for(;el!=null&&el!=calendar.element;el=el.parentNode);if(el==null){window._dynarch_popupCalendar.callCloseHandler();return Calendar.stopEvent(ev);}};Calendar.prototype.show=function(){var rows=this.table.getElementsByTagName("tr");for(var i=rows.length;i>0;){var row=rows[--i];Calendar.removeClass(row,"rowhilite");var cells=row.getElementsByTagName("td");for(var j=cells.length;j>0;){var cell=cells[--j];Calendar.removeClass(cell,"hilite");Calendar.removeClass(cell,"active");}}this.element.style.display="block";this.hidden=false;if(this.isPopup){window._dynarch_popupCalendar=this;Calendar.addEvent(document,"keydown",Calendar._keyEvent);Calendar.addEvent(document,"keypress",Calendar._keyEvent);Calendar.addEvent(document,"mousedown",Calendar._checkCalendar);}this.hideShowCovered();};Calendar.prototype.hide=function(){if(this.isPopup){Calendar.removeEvent(document,"keydown",Calendar._keyEvent);Calendar.removeEvent(document,"keypress",Calendar._keyEvent);Calendar.removeEvent(document,"mousedown",Calendar._checkCalendar);}this.element.style.display="none";this.hidden=true;this.hideShowCovered();};Calendar.prototype.showAt=function(x,y){var s=this.element.style;s.left=x+"px";s.top=y+"px";this.show();};Calendar.prototype.showAtElement=function(el,opts){var self=this;var p=Calendar.getAbsolutePos(el);if(!opts||typeof opts!="string"){this.showAt(p.x,p.y+el.offsetHeight);return true;}function fixPosition(box){if(box.x<0)box.x=0;if(box.y<0)box.y=0;var cp=document.createElement("div");var s=cp.style;s.position="absolute";s.right=s.bottom=s.width=s.height="0px";document.body.appendChild(cp);var br=Calendar.getAbsolutePos(cp);document.body.removeChild(cp);if(Calendar.is_ie){br.y+=document.body.scrollTop;br.x+=document.body.scrollLeft;}else{br.y+=window.scrollY;br.x+=window.scrollX;}var tmp=box.x+box.width-br.x;if(tmp>0)box.x-=tmp;tmp=box.y+box.height-br.y;if(tmp>0)box.y-=tmp;};this.element.style.display="block";Calendar.continuation_for_the_fucking_khtml_browser=function(){var w=self.element.offsetWidth;var h=self.element.offsetHeight;self.element.style.display="none";var valign=opts.substr(0,1);var halign="l";if(opts.length>1){halign=opts.substr(1,1);}switch(valign){case "T":p.y-=h;break;case "B":p.y+=el.offsetHeight;break;case "C":p.y+=(el.offsetHeight-h)/2;break;case "t":p.y+=el.offsetHeight-h;break;case "b":break;}switch(halign){case "L":p.x-=w;break;case "R":p.x+=el.offsetWidth;break;case "C":p.x+=(el.offsetWidth-w)/2;break;case "l":p.x+=el.offsetWidth-w;break;case "r":break;}p.width=w;p.height=h+40;self.monthsCombo.style.display="none";fixPosition(p);self.showAt(p.x,p.y);};if(Calendar.is_khtml)setTimeout("Calendar.continuation_for_the_fucking_khtml_browser()",10);else Calendar.continuation_for_the_fucking_khtml_browser();};Calendar.prototype.setDateFormat=function(str){this.dateFormat=str;};Calendar.prototype.setTtDateFormat=function(str){this.ttDateFormat=str;};Calendar.prototype.parseDate=function(str,fmt){if(!fmt)fmt=this.dateFormat;this.setDate(Date.parseDate(str,fmt));};Calendar.prototype.hideShowCovered=function(){if(!Calendar.is_ie&&!Calendar.is_opera)return;function getVisib(obj){var value=obj.style.visibility;if(!value){if(document.defaultView&&typeof(document.defaultView.getComputedStyle)=="function"){if(!Calendar.is_khtml)value=document.defaultView. getComputedStyle(obj,"").getPropertyValue("visibility");else value='';}else if(obj.currentStyle){value=obj.currentStyle.visibility;}else value='';}return value;};var tags=new Array("applet","iframe","select");var el=this.element;var p=Calendar.getAbsolutePos(el);var EX1=p.x;var EX2=el.offsetWidth+EX1;var EY1=p.y;var EY2=el.offsetHeight+EY1;for(var k=tags.length;k>0;){var ar=document.getElementsByTagName(tags[--k]);var cc=null;for(var i=ar.length;i>0;){cc=ar[--i];p=Calendar.getAbsolutePos(cc);var CX1=p.x;var CX2=cc.offsetWidth+CX1;var CY1=p.y;var CY2=cc.offsetHeight+CY1;if(this.hidden||(CX1>EX2)||(CX2<EX1)||(CY1>EY2)||(CY2<EY1)){if(!cc.__msh_save_visibility){cc.__msh_save_visibility=getVisib(cc);}cc.style.visibility=cc.__msh_save_visibility;}else{if(!cc.__msh_save_visibility){cc.__msh_save_visibility=getVisib(cc);}cc.style.visibility="hidden";}}}};Calendar.prototype._displayWeekdays=function(){var fdow=this.firstDayOfWeek;var cell=this.firstdayname;var weekend=Calendar._TT["WEEKEND"];for(var i=0;i<7;++i){cell.className="day name";var realday=(i+fdow)%7;if(i){cell.ttip=Calendar._TT["DAY_FIRST"].replace("%s",Calendar._DN[realday]);cell.navtype=100;cell.calendar=this;cell.fdow=realday;Calendar._add_evs(cell);}if(weekend.indexOf(realday.toString())!=-1){Calendar.addClass(cell,"weekend");}cell.innerHTML=Calendar._SDN[(i+fdow)%7];cell=cell.nextSibling;}};Calendar.prototype._hideCombos=function(){this.monthsCombo.style.display="none";this.yearsCombo.style.display="none";};Calendar.prototype._dragStart=function(ev){if(this.dragging){return;}this.dragging=true;var posX;var posY;if(Calendar.is_ie){posY=window.event.clientY+document.body.scrollTop;posX=window.event.clientX+document.body.scrollLeft;}else{posY=ev.clientY+window.scrollY;posX=ev.clientX+window.scrollX;}var st=this.element.style;this.xOffs=posX-parseInt(st.left);this.yOffs=posY-parseInt(st.top);with(Calendar){addEvent(document,"mousemove",calDragIt);addEvent(document,"mouseup",calDragEnd);}};Date._MD=new Array(31,28,31,30,31,30,31,31,30,31,30,31);Date.SECOND=1000;Date.MINUTE=60*Date.SECOND;Date.HOUR=60*Date.MINUTE;Date.DAY=24*Date.HOUR;Date.WEEK=7*Date.DAY;Date.parseDate=function(str,fmt){var today=new Date();var y=0;var m=-1;var d=0;var a=str.split(/\W+/);var b=fmt.match(/%./g);var i=0,j=0;var hr=0;var min=0;for(i=0;i<a.length;++i){if(!a[i])continue;switch(b[i]){case "%d":case "%e":d=parseInt(a[i],10);break;case "%m":m=parseInt(a[i],10)-1;break;case "%Y":case "%y":y=parseInt(a[i],10);(y<100)&&(y+=(y>29)?1900:2000);break;case "%b":case "%B":for(j=0;j<12;++j){if(Calendar._MN[j].substr(0,a[i].length).toLowerCase()==a[i].toLowerCase()){m=j;break;}}break;case "%H":case "%I":case "%k":case "%l":hr=parseInt(a[i],10);break;case "%P":case "%p":if(/pm/i.test(a[i])&&hr<12)hr+=12;else if(/am/i.test(a[i])&&hr>=12)hr-=12;break;case "%M":min=parseInt(a[i],10);break;}}if(isNaN(y))y=today.getFullYear();if(isNaN(m))m=today.getMonth();if(isNaN(d))d=today.getDate();if(isNaN(hr))hr=today.getHours();if(isNaN(min))min=today.getMinutes();if(y!=0&&m!=-1&&d!=0)return new Date(y,m,d,hr,min,0);y=0;m=-1;d=0;for(i=0;i<a.length;++i){if(a[i].search(/[a-zA-Z]+/)!=-1){var t=-1;for(j=0;j<12;++j){if(Calendar._MN[j].substr(0,a[i].length).toLowerCase()==a[i].toLowerCase()){t=j;break;}}if(t!=-1){if(m!=-1){d=m+1;}m=t;}}else if(parseInt(a[i],10)<=12&&m==-1){m=a[i]-1;}else if(parseInt(a[i],10)>31&&y==0){y=parseInt(a[i],10);(y<100)&&(y+=(y>29)?1900:2000);}else if(d==0){d=a[i];}}if(y==0)y=today.getFullYear();if(m!=-1&&d!=0)return new Date(y,m,d,hr,min,0);return today;};Date.prototype.getMonthDays=function(month){var year=this.getFullYear();if(typeof month=="undefined"){month=this.getMonth();}if(((0==(year%4))&&((0!=(year%100))||(0==(year%400))))&&month==1){return 29;}else{return Date._MD[month];}};Date.prototype.getDayOfYear=function(){var now=new Date(this.getFullYear(),this.getMonth(),this.getDate(),0,0,0);var then=new Date(this.getFullYear(),0,0,0,0,0);var time=now-then;return Math.floor(time/Date.DAY);};Date.prototype.getWeekNumber=function(){var d=new Date(this.getFullYear(),this.getMonth(),this.getDate(),0,0,0);var DoW=d.getDay();d.setDate(d.getDate()-(DoW+6)%7+3);var ms=d.valueOf();d.setMonth(0);d.setDate(4);return Math.round((ms-d.valueOf())/(7*864e5))+1;};Date.prototype.equalsTo=function(date){return((this.getFullYear()==date.getFullYear())&&(this.getMonth()==date.getMonth())&&(this.getDate()==date.getDate())&&(this.getHours()==date.getHours())&&(this.getMinutes()==date.getMinutes()));};Date.prototype.setDateOnly=function(date){var tmp=new Date(date);this.setDate(1);this.setFullYear(tmp.getFullYear());this.setMonth(tmp.getMonth());this.setDate(tmp.getDate());};Date.prototype.print=function(str){var m=this.getMonth();var d=this.getDate();var y=this.getFullYear();var wn=this.getWeekNumber();var w=this.getDay();var s={};var hr=this.getHours();var pm=(hr>=12);var ir=(pm)?(hr-12):hr;var dy=this.getDayOfYear();if(ir==0)ir=12;var min=this.getMinutes();var sec=this.getSeconds();s["%a"]=Calendar._SDN[w];s["%A"]=Calendar._DN[w];s["%b"]=Calendar._SMN[m];s["%B"]=Calendar._MN[m];s["%C"]=1+Math.floor(y/100);s["%d"]=(d<10)?("0"+d):d;s["%e"]=d;s["%H"]=(hr<10)?("0"+hr):hr;s["%I"]=(ir<10)?("0"+ir):ir;s["%j"]=(dy<100)?((dy<10)?("00"+dy):("0"+dy)):dy;s["%k"]=hr;s["%l"]=ir;s["%m"]=(m<9)?("0"+(1+m)):(1+m);s["%M"]=(min<10)?("0"+min):min;s["%n"]="\n";s["%p"]=pm?"PM":"AM";s["%P"]=pm?"pm":"am";s["%s"]=Math.floor(this.getTime()/1000);s["%S"]=(sec<10)?("0"+sec):sec;s["%t"]="\t";s["%U"]=s["%W"]=s["%V"]=(wn<10)?("0"+wn):wn;s["%u"]=w+1;s["%w"]=w;s["%y"]=(''+y).substr(2,2);s["%Y"]=y;s["%%"]="%";var re=/%./g;if(!Calendar.is_ie5&&!Calendar.is_khtml)return str.replace(re,function(par){return s[par]||par;});var a=str.match(re);for(var i=0;i<a.length;i++){var tmp=s[a[i]];if(tmp){re=new RegExp(a[i],'g');str=str.replace(re,tmp);}}return str;};Date.prototype.__msh_oldSetFullYear=Date.prototype.setFullYear;Date.prototype.setFullYear=function(y){var d=new Date(this);d.__msh_oldSetFullYear(y);if(d.getMonth()!=this.getMonth())this.setDate(28);this.__msh_oldSetFullYear(y);};window._dynarch_popupCalendar=null;

/*  Copyright Mihai Bazon, 2002, 2003  |  http://dynarch.com/mishoo/
 * ---------------------------------------------------------------------------
 *
 * The DHTML Calendar
 *
 * Details and latest version at:
 * http://dynarch.com/mishoo/calendar.epl
 *
 * This script is distributed under the GNU Lesser General Public License.
 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
 *
 * This file defines helper functions for setting up the calendar.  They are
 * intended to help non-programmers get a working calendar on their site
 * quickly.  This script should not be seen as part of the calendar.  It just
 * shows you what one can do with the calendar, while in the same time
 * providing a quick and simple method for setting it up.  If you need
 * exhaustive customization of the calendar creation process feel free to
 * modify this code to suit your needs (this is recommended and much better
 * than modifying calendar.js itself).
 */
 Calendar.setup=function(params){function param_default(pname,def){if(typeof params[pname]=="undefined"){params[pname]=def;}};param_default("inputField",null);param_default("displayArea",null);param_default("button",null);param_default("eventName","click");param_default("ifFormat","%Y/%m/%d");param_default("daFormat","%Y/%m/%d");param_default("singleClick",true);param_default("disableFunc",null);param_default("dateStatusFunc",params["disableFunc"]);param_default("dateText",null);param_default("firstDay",null);param_default("align","Br");param_default("range",[1900,2999]);param_default("weekNumbers",true);param_default("flat",null);param_default("flatCallback",null);param_default("onSelect",null);param_default("onClose",null);param_default("onUpdate",null);param_default("date",null);param_default("showsTime",false);param_default("timeFormat","24");param_default("electric",true);param_default("step",2);param_default("position",null);param_default("cache",false);param_default("showOthers",false);param_default("multiple",null);var tmp=["inputField","displayArea","button"];for(var i in tmp){if(typeof params[tmp[i]]=="string"){params[tmp[i]]=document.getElementById(params[tmp[i]]);}}if(!(params.flat||params.multiple||params.inputField||params.displayArea||params.button)){alert("Calendar.setup:\n  Nothing to setup (no fields found).  Please check your code");return false;}function onSelect(cal){var p=cal.params;var update=(cal.dateClicked||p.electric);if(update&&p.inputField){p.inputField.value=cal.date.print(p.ifFormat);if(typeof p.inputField.onchange=="function")p.inputField.onchange();}if(update&&p.displayArea)p.displayArea.innerHTML=cal.date.print(p.daFormat);if(update&&typeof p.onUpdate=="function")p.onUpdate(cal);if(update&&p.flat){if(typeof p.flatCallback=="function")p.flatCallback(cal);}if(update&&p.singleClick&&cal.dateClicked)cal.callCloseHandler();};if(params.flat!=null){if(typeof params.flat=="string")params.flat=document.getElementById(params.flat);if(!params.flat){alert("Calendar.setup:\n  Flat specified but can't find parent.");return false;}var cal=new Calendar(params.firstDay,params.date,params.onSelect||onSelect);cal.showsOtherMonths=params.showOthers;cal.showsTime=params.showsTime;cal.time24=(params.timeFormat=="24");cal.params=params;cal.weekNumbers=params.weekNumbers;cal.setRange(params.range[0],params.range[1]);cal.setDateStatusHandler(params.dateStatusFunc);cal.getDateText=params.dateText;if(params.ifFormat){cal.setDateFormat(params.ifFormat);}if(params.inputField&&typeof params.inputField.value=="string"){cal.parseDate(params.inputField.value);}cal.create(params.flat);cal.show();return false;}var triggerEl=params.button||params.displayArea||params.inputField;triggerEl["on"+params.eventName]=function(){var dateEl=params.inputField||params.displayArea;var dateFmt=params.inputField?params.ifFormat:params.daFormat;var mustCreate=false;var cal=window.calendar;if(dateEl)params.date=Date.parseDate(dateEl.value||dateEl.innerHTML,dateFmt);if(!(cal&&params.cache)){window.calendar=cal=new Calendar(params.firstDay,params.date,params.onSelect||onSelect,params.onClose||function(cal){cal.hide();});cal.showsTime=params.showsTime;cal.time24=(params.timeFormat=="24");cal.weekNumbers=params.weekNumbers;mustCreate=true;}else{if(params.date)cal.setDate(params.date);cal.hide();}if(params.multiple){cal.multiple={};for(var i=params.multiple.length;--i>=0;){var d=params.multiple[i];var ds=d.print("%Y%m%d");cal.multiple[ds]=d;}}cal.showsOtherMonths=params.showOthers;cal.yearStep=params.step;cal.setRange(params.range[0],params.range[1]);cal.params=params;cal.setDateStatusHandler(params.dateStatusFunc);cal.getDateText=params.dateText;cal.setDateFormat(dateFmt);if(mustCreate)cal.create();cal.refresh();if(!params.position)cal.showAtElement(params.button||params.displayArea||params.inputField,params.align);else cal.showAt(params.position[0],params.position[1]);return false;};return cal;};

// ** I18N

// Calendar EN language
// Author: Mihai Bazon, <mihai_bazon@yahoo.com>
// Encoding: any
// Distributed under the same terms as the calendar itself.

// For translators: please use UTF-8 if possible.  We strongly believe that
// Unicode is the answer to a real internationalized world.  Also please
// include your contact information in the header, as can be seen above.

// full day names
Calendar._DN = new Array
("Sunday",
 "Monday",
 "Tuesday",
 "Wednesday",
 "Thursday",
 "Friday",
 "Saturday",
 "Sunday");

// Please note that the following array of short day names (and the same goes
// for short month names, _SMN) isn't absolutely necessary.  We give it here
// for exemplification on how one can customize the short day names, but if
// they are simply the first N letters of the full name you can simply say:
//
//   Calendar._SDN_len = N; // short day name length
//   Calendar._SMN_len = N; // short month name length
//
// If N = 3 then this is not needed either since we assume a value of 3 if not
// present, to be compatible with translation files that were written before
// this feature.

// short day names
Calendar._SDN = new Array
("Sun",
 "Mon",
 "Tue",
 "Wed",
 "Thu",
 "Fri",
 "Sat",
 "Sun");

// First day of the week. "0" means display Sunday first, "1" means display
// Monday first, etc.
Calendar._FD = 0;

// full month names
Calendar._MN = new Array
("January",
 "February",
 "March",
 "April",
 "May",
 "June",
 "July",
 "August",
 "September",
 "October",
 "November",
 "December");

// short month names
Calendar._SMN = new Array
("Jan",
 "Feb",
 "Mar",
 "Apr",
 "May",
 "Jun",
 "Jul",
 "Aug",
 "Sep",
 "Oct",
 "Nov",
 "Dec");

// tooltips
Calendar._TT = {};
Calendar._TT["INFO"] = "About the calendar";

Calendar._TT["ABOUT"] =
"DHTML Date/Time Selector\n" +
"(c) dynarch.com 2002-2005 / Author: Mihai Bazon\n" + // don't translate this this ;-)
"For latest version visit: http://www.dynarch.com/projects/calendar/\n" +
"Distributed under GNU LGPL.  See http://gnu.org/licenses/lgpl.html for details." +
"\n\n" +
"Date selection:\n" +
"- Use the \xab, \xbb buttons to select year\n" +
"- Use the " + String.fromCharCode(0x2039) + ", " + String.fromCharCode(0x203a) + " buttons to select month\n" +
"- Hold mouse button on any of the above buttons for faster selection.";
Calendar._TT["ABOUT_TIME"] = "\n\n" +
"Time selection:\n" +
"- Click on any of the time parts to increase it\n" +
"- or Shift-click to decrease it\n" +
"- or click and drag for faster selection.";

Calendar._TT["PREV_YEAR"] = "Prev. year (hold for menu)";
Calendar._TT["PREV_MONTH"] = "Prev. month (hold for menu)";
Calendar._TT["GO_TODAY"] = "Go Today";
Calendar._TT["NEXT_MONTH"] = "Next month (hold for menu)";
Calendar._TT["NEXT_YEAR"] = "Next year (hold for menu)";
Calendar._TT["SEL_DATE"] = "Select date";
Calendar._TT["DRAG_TO_MOVE"] = "Drag to move";
Calendar._TT["PART_TODAY"] = " (today)";

// the following is to inform that "%s" is to be the first day of week
// %s will be replaced with the day name.
Calendar._TT["DAY_FIRST"] = "Display %s first";

// This may be locale-dependent.  It specifies the week-end days, as an array
// of comma-separated numbers.  The numbers are from 0 to 6: 0 means Sunday, 1
// means Monday, etc.
Calendar._TT["WEEKEND"] = "0,6";

Calendar._TT["CLOSE"] = "Close";
Calendar._TT["TODAY"] = "Today";
Calendar._TT["TIME_PART"] = "(Shift-)Click or drag to change value";

// date formats
Calendar._TT["DEF_DATE_FORMAT"] = "%Y-%m-%d";
Calendar._TT["TT_DATE_FORMAT"] = "%a, %b %e";

Calendar._TT["WK"] = "wk";
Calendar._TT["TIME"] = "Time:";



Tsig = {

  Widget: {

    clearSendAt: function() {
      var field = $('tsig_widget_send_at');
      if (field.value == 'mm/dd/yyyy hh:mm am') {
        field.value = '';
      }
    },

    groupChanged: function() {
      Tsig.Widget.showTeamsSpinnner();
      var group = Tsig.Widget.getSelectedGroup();
      new Ajax.Request(TSIG_TEAMS_URL, {
        parameters: "group=" + group
      });
    },

    getMessage: function() {
      return $('tsig_widget_message').value;
    },

    getSelectedGroup: function() {
      var select = $('tsig_widget_groups_select');
      if (select.selectedIndex > -1)
        return select.options[select.selectedIndex].value.replace(/group_/, '');
      else
        return '';
    },

    getSelectedTeam: function() {
      var select = $('tsig_widget_teams_select');
      if (select.selectedIndex > -1)
        return select.options[select.selectedIndex].value;
      else
        return '';
    },

    getSendAt: function() {
      return $('tsig_widget_send_at').value;
    },

    getSendNow: function() {
      return ($('tsig_widget_send_now_true').checked) ? 1 : 0;
    },

    hideSendAt: function() {
      $('tsig_widget_send_at_container').hide();
    },

    hideSendSpinnner: function() {
      $('tsig_widget_send_spinner').hide();
    },

    hideTeamsSpinnner: function() {
      $('tsig_widget_teams_spinner').hide();
    },

    init: function() {
      // abort if no widget on page
      if (!$('tsig_widget_container')) return;

      Tsig.Widget.initCalendar();
      $('tsig_widget_groups_select').observe('change', Tsig.Widget.groupChanged);
      $('tsig_widget_message_send').observe('click', Tsig.Widget.sendMessage);
      $('tsig_widget_message').observe('keyup', Tsig.Widget.limitChars);
      $('tsig_widget_message').observe('change', Tsig.Widget.limitChars);
      $('tsig_widget_groups_select').selectedIndex = -1;
      $('tsig_widget_send_now_true').observe('click', Tsig.Widget.hideSendAt);
      $('tsig_widget_send_now_false').observe('click', Tsig.Widget.showSendAt);
      $('tsig_widget_send_at').observe('focus', Tsig.Widget.clearSendAt);
      $('tsig_widget_send_at_trigger').observe('click', Tsig.Widget.showCalendar);
    },

    initCalendar: function() {
      Calendar.setup({
        inputField  : "tsig_widget_send_at",   // ID of the input field
        ifFormat    : "%m/%d/%Y %I:%M %p",    // the date format
        button      : "tsig_widget_send_at_trigger",   // ID of the button
        showsTime   : true,
        timeFormat  : 12
      });
    },

    limitChars: function() {
      var field = $('tsig_widget_message');
      var limit = 135;
      var val = field.value;
      var len = val ? val.length : 0;
      var remaining = limit - len;

      if (remaining < 0) {
        field.value = val.substring(0,limit);
        remaining = 0;
        field.focus();
      }

      $('tsig_widget_counter').update(remaining);

      return true;
    },

    sendMessage: function() {
      Tsig.Widget.showSendSpinnner();
      var group = encodeURIComponent(Tsig.Widget.getSelectedGroup());
      var team = encodeURIComponent(Tsig.Widget.getSelectedTeam());
      var message = encodeURIComponent(Tsig.Widget.getMessage());
      var send_now = encodeURIComponent(Tsig.Widget.getSendNow());
      var send_at = encodeURIComponent(Tsig.Widget.getSendAt());

      new Ajax.Request(TSIG_SEND_MESSAGE_URL, {
        parameters:
        "group="+group+
        "&team="+team+
        "&message="+message+
        "&send_now="+send_now+
        "&send_at="+send_at
      });
    },

    showSendAt: function() {
      $('tsig_widget_send_at_container').show();
    },

    showSendSpinnner: function() {
      $('tsig_widget_send_spinner').show();
    },

    showTeamsSpinnner: function() {
      $('tsig_widget_teams_spinner').show();
    }

  }

}



tinyMCE.init({
    'theme': "advanced",
    'mode': "textareas",
    'plugins' : "safari,paste",
    'editor_deselector' : "mceNoEditor",
    'theme_advanced_buttons3_add' : "pastetext,pasteword,selectall",
    'paste_auto_cleanup_on_paste' : true,
    'paste_preprocess' : function(pl, o) {
        // Content string containing the HTML from the clipboard
        //alert(o.content);
    },
    'paste_postprocess' : function(pl, o) {
        // Content DOM node containing the DOM structure of the clipboard
        //alert(o.node.innerHTML);
    }

});