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, esmenu, visible, hidden, menuwidth){
	if (ie4||ns6)
	  dropmenuobj.style.left=dropmenuobj.style.top="-500px"
	if (menuwidth!=""){
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=menuwidth
	}
	if (esmenu.type=="click" && obj.visibility==hidden || esmenu.type=="mouseover")
	  obj.visibility=visible
	else if (esmenu.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=ie4 && !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=ie4 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure){
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure)
			  edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
}

function populatemenu(what){
	if (ie4||ns6)
	  dropmenuobj.innerHTML=what.join("")
}

//dropdownmenu
function ddm(obj, esmenu, menucontents, menuwidth){
	if (window.event)
	  event.cancelBubble=true
	else if (esmenu.stopPropagation)
	  esmenu.stopPropagation()
	  
	clearhidemenu()
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
	populatemenu(menucontents)
	
	if (ie4||ns6){
	  showhide(dropmenuobj.style, esmenu, "visible", "hidden", menuwidth)
	
	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+"px"
	}

	return crv()
}

//Auto showit
function sit(id) {
	dropmenudiv.name=id;
}

//clickreturnvalue
function crv(){
	if (ie4||ns6)
	  return false
	else
	  return true
}

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

function dynamichide(esmenu){
	if (ie4&&!dropmenuobj.contains(esmenu.toElement))
	  delayhidesmenumenu()
	else if (ns6&&esmenu.currentTarget!= esmenu.relatedTarget&& !contains_ns6(esmenu.currentTarget, esmenu.relatedTarget))
	  delayhidesmenumenu()
}

function hidemenu(esmenu){
	if (typeof dropmenuobj!="undefined"){
		if (ie4||ns6)
		  dropmenuobj.style.visibility="hidden"
	}
}

function dhm(){
	if (ie4||ns6)
	  delayhidesmenu=setTimeout("hidemenu()",disappeardelay)
}

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