// accordion.js v2.0
 
 //
 
 // Copyright (c) 2007 stickmanlabs
 // Author: Kevin P Miller | http://www.stickmanlabs.com
 //
 // Accordion is freely distributable under the terms of an MIT-style license.
 //
 // I don't care what you think about the file size...
 // Be a pro:
 // http://www.thinkvitamin.com/features/webapps/serving-javascript-fast
 // http://rakaz.nl/item/make_your_pages_load_faster_by_combining_and_compressing_javascript_and_css_files
 //
  /*-----------------------------------------------------------------------------------------------*/
  if (typeof Effect == 'undefined')
 throw("accordion.js requires including script.aculo.us' effects.js library!");
 
  var accordion = Class.create();
 
 accordion.prototype = {
  
	 //
	 // Setup the Variables
	 //
	 showAccordion : null,
	 currentAccordion : null,
	 duration : null,
	 effects : [],
	 animating : false,
 
 //
 // Initialize the accordions
 //
 
 initialize: function(container, options) {
 if (!$(container)) {
 throw(container+" doesn't exist!");
 return false;
 }
 
 this.options = Object.extend({
	 resizeSpeed : 9,
	 classNames : {
	 toggle : 'accordion_toggle',
	 toggleActive : 'accordion_toggle_active',
	 content : 'accordion_content'
 },
 
 defaultSize : {
	 height : null,
	 width : null
 },
 
 direction : 'vertical',
 onEvent : 'click'
 }, options || {});
 
 this.duration = ((11-this.options.resizeSpeed)*0.15);
 
 var accordions = $$('#'+container+' .'+this.options.classNames.toggle);
 accordions.each(function(accordion) {
 Event.observe(accordion, this.options.onEvent, this.activate.bind(this, accordion), false);
 if (this.options.onEvent == 'click') {
  accordion.onclick = function() {return false;};
 }
 
  
 
 if (this.options.direction == 'horizontal') {
 var options = {width: '0px', display:'none'};
 } 
 else {
  var options = {height: '0px', display:'none'};
  }
 
 // options.merge({display: 'none'});
 this.currentAccordion = $(accordion.next(0)).setStyle(options);
 }.bind(this));
 },
 
  
 
 //
 
 // Activate an accordion
 
 //
 
 activate : function(accordion) {
  if (this.animating) {
  return false;
 }
 
  
 
 this.effects = [];
 this.currentAccordion = $(accordion.next(0));
 this.currentAccordion.setStyle({
 display: 'block'
 
 });
 
 this.currentAccordion.previous(0).addClassName(this.options.classNames.toggleActive);
 
 if (this.options.direction == 'horizontal') {
  this.scaling = $H({
  scaleX: true,
  scaleY: false
  });
  } 
	else {
  this.scaling = $H({
  scaleX: false,
  scaleY: true
  });
 }
 
  
 
 if (this.currentAccordion == this.showAccordion) {
  this.deactivate();
  } else {
  this._handleAccordion();
  }
  },
 
 //
 
 // Deactivate an active accordion
 
 //
 
 deactivate : function() {
  var options = $H({
  duration: this.duration,
  scaleContent: false,
  transition: Effect.Transitions.sinoidal,
  queue: {
  position: 'end',
  scope: 'accordionAnimation'
  },
 
 scaleMode: {
  originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
  originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
  },
 
 afterFinish: function() {
  this.showAccordion.setStyle({
  height: 'auto',
  display: 'none'
  });
 
 this.showAccordion = null;
  this.animating = false;
  }.bind(this)
  });
 
 // options.merge(this.scaling);
 
  
 
 this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);
 new Effect.Scale(this.showAccordion, 0, options.update(this.scaling).toObject());
  },
 
  
 
  //
  // Handle the open/close actions of the accordion
  //
 
 _handleAccordion : function() {
 
 var options = $H({
  sync: true,
  scaleFrom: 0,
  scaleContent: false,
  transition: Effect.Transitions.sinoidal,
 
 scaleMode: {
  originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
  originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
  }
 
 });
 
 options.merge(this.scaling);
  this.effects.push(
  new Effect.Scale(this.currentAccordion, 100, options.update(this.scaling).toObject())
  );
 
  
 
 if (this.showAccordion) {
  this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);
	options = $H({
  sync: true,
  scaleContent: false,
  transition: Effect.Transitions.sinoidal
  });
 
 options.merge(this.scaling);
 this.effects.push(
  new Effect.Scale(this.showAccordion, 0, options.update(this.scaling).toObject())
  );
  }
 
  
 
 new Effect.Parallel(this.effects, {
 
 duration: this.duration,
 
 queue: {
  position: 'end',
  scope: 'accordionAnimation'
  },
 
 beforeStart: function() {
  this.animating = true;
  }.bind(this),
 
 afterFinish: function() {
  if (this.showAccordion) {
  this.showAccordion.setStyle({
  display: 'none'
  });
  }
 
 $(this.currentAccordion).setStyle({
  height: 'auto'
  });
 
 this.showAccordion = this.currentAccordion;
  this.animating = false;
  }.bind(this)
  });
  }
 }