/***********************************************
* Animated Collapsible DIV v2.0- (c) Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for this script and 100s more
***********************************************/
//** Animated Collapsible DIV v2.0- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com.
//** May 24th, 08'- Script rewritten and updated to 2.0.
//** June 4th, 08'- Version 2.01: Bug fix to work with jquery 1.2.6 (which changed the way attr() behaves).

var animatedcollapse={
divholders: {}, 
divgroups: {}, 
lastactiveingroup: {}, 

show:function(divids){ 
	if (typeof divids=="object"){
		for (var i=0; i<divids.length; i++)
			this.showhide(divids[i], "show");
	}
	else
		this.showhide(divids, "show");
},

hide:function(divids){ 
	if (typeof divids=="object"){
		for (var i=0; i<divids.length; i++)
			this.showhide(divids[i], "hide");
	}
	else
		this.showhide(divids, "hide");
},

toggle:function(divid){ 
	this.showhide(divid, "toggle");
},

addDiv:function(divid, attrstring){ 
	this.divholders[divid]=({id: divid, $divref: null, attrs: attrstring});
	this.divholders[divid].getAttr=function(name){
		var attr=new RegExp(name+"=([^,]+)", "i"); 
		return (attr.test(this.attrs) && parseInt(RegExp.$1)!==0)? RegExp.$1 : null; 
	};
},

showhide:function(divid, action){
	var $divref=this.divholders[divid].$divref; 
	if (this.divholders[divid] && $divref.length==1){ 
		var targetgroup=this.divgroups[$divref.attr('groupname')]; 
		if ($divref.attr('groupname') && targetgroup.count>1 && (action=="show" || action=="toggle" && $divref.css('display')=='none')){
			if (targetgroup.lastactivedivid && targetgroup.lastactivedivid!=divid) 
				this.slideengine(targetgroup.lastactivedivid, 'hide'); 
			this.slideengine(divid, 'show');
			targetgroup.lastactivedivid=divid; 
		}
		else{
			this.slideengine(divid, action);
		}
	}
},

slideengine:function(divid, action){
	var $divref=this.divholders[divid].$divref;
	if (this.divholders[divid] && $divref.length==1){
		var animateSetting={height: action};
		if ($divref.attr('fade'))
			animateSetting.opacity=action;
		$divref.animate(animateSetting, $divref.attr('speed')? parseInt($divref.attr('speed')) : 500);
		return false;
	}
},

generatemap:function(){
	var map={};
	for (var i=0; i<arguments.length; i++){
		if (arguments[i][1]!==null){
			map[arguments[i][0]]=arguments[i][1];
		}
	}
	return map;
},

init:function(){
	var ac=this;
	jQuery(document).ready(function($){
		var cssdisplay;
		var persistopenids=ac.getCookie('acopendivids'); 
		var groupswithpersist=ac.getCookie('acgroupswithpersist'); 
		if (persistopenids!==null) 
			persistopenids=(persistopenids=='nada')? [] : persistopenids.split(','); 
		groupswithpersist=(groupswithpersist===null || groupswithpersist=='nada')? [] : groupswithpersist.split(','); 
		jQuery.each(ac.divholders, function(){ 
			this.$divref=$('#'+this.id);
			if ((this.getAttr('persist') || jQuery.inArray(this.getAttr('group'), groupswithpersist)!=-1) && persistopenids!==null){
				cssdisplay=(jQuery.inArray(this.id, persistopenids)!=-1)? 'block' : 'none';
			}
			else{
				cssdisplay=this.getAttr('hide')? 'none' : null;
			}
			this.$divref.css(ac.generatemap(['height', this.getAttr('height')], ['display', cssdisplay]));
			this.$divref.attr(ac.generatemap(['groupname', this.getAttr('group')], ['fade', this.getAttr('fade')], ['speed', this.getAttr('speed')]));
			if (this.getAttr('group')){ 
				var targetgroup=ac.divgroups[this.getAttr('group')] || (ac.divgroups[this.getAttr('group')]={}); 
				targetgroup.count=(targetgroup.count||0)+1; 
				if (!targetgroup.lastactivedivid && this.$divref.css('display')!='none' || cssdisplay=="block") 
					targetgroup.lastactivedivid=this.id; 
				this.$divref.css({display:'none'}); 
			}
		}); 
		jQuery.each(ac.divgroups, function(){ 
			if (this.lastactivedivid)
				ac.divholders[this.lastactivedivid].$divref.show(); 
		});
		var $allcontrols=$('*[rel]').filter('[@rel^="collapse-"], [@rel^="expand-"], [@rel^="toggle-"]'); 
		var controlidentifiers=/(collapse-)|(expand-)|(toggle-)/;
		$allcontrols.each(function(){
			$(this).click(function(){
				var relattr=this.getAttribute('rel');
				var divid=relattr.replace(controlidentifiers, '');
				var doaction=(relattr.indexOf("collapse-")!=-1)? "hide" : (relattr.indexOf("expand-")!=-1)? "show" : "toggle";
				return ac.showhide(divid, doaction);
			}); 
		});
		$(window).bind('unload', function(){
			ac.uninit();
		});
	}); 
},

uninit:function(){
	var opendivids='', groupswithpersist='';
	jQuery.each(this.divholders, function(){
		if (this.$divref.css('display')!='none'){
			opendivids+=this.id+','; 
		}
		if (this.getAttr('group') && this.getAttr('persist'))
			groupswithpersist+=this.getAttr('group')+',';
	});
	opendivids=(opendivids==='')? 'nada' : opendivids.replace(/,$/, '');
	groupswithpersist=(groupswithpersist==='')? 'nada' : groupswithpersist.replace(/,$/, '');
	this.setCookie('acopendivids', opendivids);
	this.setCookie('acgroupswithpersist', groupswithpersist);
},

getCookie:function(Name){ 
	var re=new RegExp(Name+"=[^;]*", "i");
	if (document.cookie.match(re))
		return document.cookie.match(re)[0].split("=")[1];
	return null;
},

setCookie:function(name, value, days){
	if (typeof days!="undefined"){
		var expireDate = new Date();
		expireDate.setDate(expireDate.getDate()+days);
		document.cookie = name+"="+value+"; path=/; expires="+expireDate.toGMTString();
	}
	else
		document.cookie = name+"="+value+"; path=/";
}

};
