var disappeardelay=250 
var enableanchorlink=0
var hidemenu_onclick=1

var ie5=document.all
var ns6=document.getElementById&&!document.all

function getposOffset(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;
}

function showhide(obj, e, visible, hidden){
	if (ie5||ns6)
	dropmenuobj.style.left=dropmenuobj.style.top=-500
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
	obj.visibility=visible
	else if (e.type=="click")
		obj.visibility=hidden
	}

	function iecompattest(){
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}

	function clearbrowseredge(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
			var windowedge=ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
			dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
			if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
		}
		else{
			var topedge=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
			var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
			dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
			if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){ //move up?
				edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
				if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
				edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
			}
		}
		return edgeoffset
	}

	function dropdownmenu(obj, e, dropmenuID){
		if (window.event) event.cancelBubble=true
		else if (e.stopPropagation) e.stopPropagation()
			if (typeof dropmenuobj!="undefined") //hide previous menu
			dropmenuobj.style.visibility="hidden"
			clearhidemenu()
			if (ie5||ns6){
				obj.onmouseout=delayhidemenu
				dropmenuobj=document.getElementById(dropmenuID)
				if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden'}
				dropmenuobj.onmouseover=clearhidemenu
				dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
				showhide(dropmenuobj.style, e, "visible", "hidden")
				dropmenuobj.x=getposOffset(obj, "left")
				dropmenuobj.y=getposOffset(obj, "top")
				dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
				dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight-2+"px"
			}
			return clickreturnvalue()
		}

		function clickreturnvalue(){
			if ((ie5||ns6) && !enableanchorlink) return false
			else return true
			}

			function contains_ns6(a, b) {
				while (b.parentNode)
				if ((b = b.parentNode) == a)
				return true;
				return false;
			}

			function dynamichide(e){
				if (ie5&&!dropmenuobj.contains(e.toElement))
				delayhidemenu()
				else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
					delayhidemenu()
				}

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

				function clearhidemenu(){
					if (typeof delayhide!="undefined")
					clearTimeout(delayhide)
				}