//Animated Collapsible DIV- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated Aug 1st, 07'. Fixed bug with "block" parameter not working when persist is enabled
//Updated June 27th, 07'. Added ability for a DIV to be initially expanded.

var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "") //get current page path and name, used to uniquely identify this page for persistence feature

function animatedcollapse(divId, animatetime, persistexpand, initstate){
	this.divId=divId
	this.divObj=document.getElementById(divId)
	this.divObj.style.overflow="hidden"
	this.timelength=animatetime
	this.initstate=(typeof initstate!="undefined" && initstate=="block")? "block" : "contract"
	this.isExpanded=animatedcollapse.getCookie(uniquepageid+"-"+divId) //"yes" or "no", based on cookie value
	this.contentheight=parseInt(this.divObj.style.height)
	var thisobj=this
	if (isNaN(this.contentheight)){ //if no CSS "height" attribute explicitly defined, get DIV's height on window.load
		animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
		if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
			this.divObj.style.visibility="hidden" //hide content (versus collapse) until we can get its height
	}
	else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //just collapse content if CSS "height" attribute available
	if (persistexpand)
		animatedcollapse.dotask(window, function(){animatedcollapse.setCookie(uniquepageid+"-"+thisobj.divId, thisobj.isExpanded)}, "unload")
	
	// aeon
	var submenus = this.divObj.getElementsByTagName("a");
	for (var i = 0; i < submenus.length; i++){
		submenus[i].style.visibility="hidden"
	}

			//fix no.1222 tag tel no. by hide everything ---
			this.divObj.style.visibility = "hidden"
			tempTXT = new String(this.divObj.innerHTML);
			this.divObj.innerHTML = tempTXT.replace(/([0-9])\-([0-9])/g,'$1khed$2');



}

animatedcollapse.prototype._getheight=function(persistexpand){
	this.contentheight=this.divObj.offsetHeight
	if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes"){ //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //collapse content
		this.divObj.style.visibility="visible"
	}
	else //else if persistence is enabled AND this content should be expanded, define its CSS height value so slideup() has something to work with
		this.divObj.style.height="auto"
		//this.divObj.style.height=this.contentheight+"px" -- edit by Ae 15/10/2551
}


animatedcollapse.prototype._slideengine=function(direction){
	var elapsed=new Date().getTime()-this.startTime //get time animation has run
	var thisobj=this
	
	//aeon
	if(direction=="up"){
		var submenus = this.divObj.getElementsByTagName("a");
		for (var i = 0; i < submenus.length; i++){
			submenus[i].style.visibility="hidden"
		}
	}
	if (elapsed<this.timelength){ //if time run is less than specified length
		var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
	//this.divObj.style.height="auto"
	this.divObj.style.height=distancepercent * this.contentheight +"px" //-- edit by Ae 15/10/2551
	this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
	}
	else{ //if animation finished
		this.divObj.style.height=(direction=="down")? "auto" : 0
		//this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0 //-- edit by Ae 15/10/2551
		this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
		this.runtimer=null
			// aeon
			if(direction=="down"){
				var submenus = this.divObj.getElementsByTagName("a");
				for (var i = 0; i < submenus.length; i++){
					submenus[i].style.visibility="visible"
				}

			} 

			//fix no.1222 tag tel no. by hide everything ---
			if(direction=="up"){
					this.divObj.style.visibility = "hidden"
					tempTXT = new String(this.divObj.innerHTML);
					this.divObj.innerHTML = tempTXT.replace(/([0-9])\-([0-9])/g,'$1khed$2');
					//this.divObj.style.display = "collapse"
			}
	}
}


animatedcollapse.prototype.slidedown=function(){
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==0){ //if content is collapsed
			//set Height follow by S M L
			this.contentheight=this.divObj.scrollHeight
		
			this.startTime=new Date().getTime() //Set animation start time

			//fix no.1222 tag tel no. by show everything ---
			this.divObj.style.visibility = "visible"
			tempTXT = new String(this.divObj.innerHTML);
			this.divObj.innerHTML = tempTXT.replace(/khed/g,'-');

			//this.divObj.style.display = "display"

			this._slideengine("down")

		
		}
	}
}

animatedcollapse.prototype.slideup=function(){
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")

		else if ((parseInt(this.divObj.style.height)==this.contentheight) || isNaN(parseInt(this.divObj.style.height))) { //if content is expanded ------- Edit by Ae 15/10/2551
		//else if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
		
		
			//set Height follow by S M L
			this.contentheight=this.divObj.scrollHeight
			
			this.startTime=new Date().getTime()
			this._slideengine("up") 
		}
	}
}

animatedcollapse.prototype.slideit=function(){
	if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
		alert("Please wait until document has fully loaded then click again")
	else if (parseInt(this.divObj.style.height)==0)
		this.slidedown()
	
	else if ((parseInt(this.divObj.style.height)==this.contentheight) || isNaN(parseInt(this.divObj.style.height))){// --edit by AE 15/10/2551
	//else if (parseInt(this.divObj.style.height)==this.contentheight){
		
		this.slideup()



			}
			
			
}

// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------

animatedcollapse.curveincrement=function(percent){
	return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
}


animatedcollapse.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
}

animatedcollapse.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

animatedcollapse.setCookie=function(name, value){
		document.cookie = name+"="+value
}