// 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={showAccordion:null,currentAccordion:null,duration:null,effects:[],animating:false,initialize:function(container,options){if(!$(container)){throw(container+" doesn't exist!");return false;}this.options=Object.extend({resizeSpeed:8,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=$H({width:'0px'});}else{var options=$H({height:'0px'});}options.merge({display:'none'});this.currentAccordion=$(accordion.next(0)).setStyle(options);}.bind(this));},activate:function(accordion){if(this.animating){return false;}this.effects=[];this.currentAccordion=$(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:function(){var options=$H({duration:this.duration,scaleContent:false,transition:Effect.Transitions.sinoidal,queue:{position:'end',scope:'accordionAnimation'},scaleMode:{originalHeight:this.options.defaultSize.height?this.options.defaultSize.height:this.currentAccordion.scrollHeight,originalWidth:this.options.defaultSize.width?this.options.defaultSize.width:this.currentAccordion.scrollWidth},afterFinish:function(){this.showAccordion.setStyle({height:'100%',display:'none'});this.showAccordion=null;this.animating=false;}.bind(this)});options.merge(this.scaling);this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);new Effect.Scale(this.showAccordion,0,options);},_handleAccordion:function(){var options=$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));if(this.showAccordion){this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);options=$H({sync:true,scaleContent:false,transition:Effect.Transitions.sinoidal});options.merge(this.scaling);this.effects.push(new Effect.Scale(this.showAccordion,0,options));} new Effect.Parallel(this.effects,{duration:this.duration,queue:{position:'end',scope:'accordionAnimation'},beforeStart:function(){this.animating=true;}.bind(this),afterFinish:function(){if(this.showAccordion){this.showAccordion.setStyle({display:'none'});}$(this.currentAccordion).setStyle({height:'100%'});this.showAccordion=this.currentAccordion;this.animating=false;}.bind(this)});}}