var cssdropdown={
	disappeardelay: 500, //set delay in miliseconds before menu disappears onmouseout

	//No need to edit beyond here////////////////////////
	dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all,

	getposOffset:function(what, offsettype)
	{
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
		while (parentEl!=null)
		{
			totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
			parentEl=parentEl.offsetParent;
		}
		return totaloffset;
	},
	
	showhide:function(obj, e, visible, hidden)
	{
		if (this.ie || this.firefox) this.dropmenuobj.style.left=this.dropmenuobj.style.top="-800px"
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover") obj.visibility=visible
		else if (e.type=="click") obj.visibility=hidden
	},
	
	iecompattest:function()
	{
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	},

	clearbrowseredge:function(obj, whichedge)
	{
		var edgeoffset=0
		if (whichedge=="rightedge"){
		var windowedge=this.ie && !window.opera? this.iecompattest().scrollLeft+this.iecompattest().clientWidth-5 : window.pageXOffset+window.innerWidth-5
		this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
		if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
		edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
	}
	else
	{
		var topedge=this.ie && !window.opera? this.iecompattest().scrollTop : window.pageYOffset
		var windowedge=this.ie && !window.opera? this.iecompattest().scrollTop+this.iecompattest().clientHeight-5 : window.pageYOffset+window.innerHeight-5
		this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
		if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure)
		{ //move up?
			edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
			if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
			edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
	
	},

	dropit:function(obj, e, dropmenuID)
	{
		//hide previous menu
		if (this.dropmenuobj!=null)
		{
			this.dropmenuobj.style.visibility="hidden"
		}
		
		if(dropmenuID!=null)
		{
			this.clearhidemenu()
			if (this.ie||this.firefox)
			{
				obj.onmouseout=function(){cssdropdown.delayhidemenu()}
				this.dropmenuobj=document.getElementById(dropmenuID)
				this.dropmenuobj.onmouseover=function(){cssdropdown.clearhidemenu()}
				this.dropmenuobj.onmouseout=function(){cssdropdown.dynamichide(e)}
				this.dropmenuobj.onclick=function(){cssdropdown.delayhidemenu()}
				this.showhide(this.dropmenuobj.style, e, "visible", "hidden")
				this.dropmenuobj.x=this.getposOffset(obj, "left")
				this.dropmenuobj.y=this.getposOffset(obj, "top")
				this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+1+"px"
				this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+0+"px"
			}
		}
	},

	contains_firefox:function(a, b)
	{
		while (b.parentNode) if ((b = b.parentNode) == a)
		return true;
		return false;
	},

	dynamichide:function(e)
	{
		var evtobj=window.event? window.event : e
		if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
		this.delayhidemenu()
		else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
		this.delayhidemenu()
	},

	delayhidemenu:function(){
		this.delayhide=setTimeout("cssdropdown.dropmenuobj.style.visibility='hidden'",this.disappeardelay)
	},

	clearhidemenu:function()
	{
		if (this.delayhide!="undefined")
		clearTimeout(this.delayhide)
	}
}