var ie4=document.all
var ns6=document.getElementById&&!document.all
var oCurrent = null;

if (ie4) {
	document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+';" onmouseover="clearhidemenu()" onmouseout="dynamichide(event)"></div>')
} else {
	document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+';border:1px solid #CCCCCC;" onmouseover="clearhidemenu()" onmouseout="dynamichide(event)"></div>')
}

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, menuwidth){
	if (ie4||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top=-500
		dropmenuobj.widthobj=dropmenuobj.style
		dropmenuobj.widthobj.width=menuwidth
	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=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){ //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 populatemenu(what, localmenuwidth){
	if (ie4) {
		dropmenuobj.innerHTML='<div style="width:'+menuwidth+'px;z-index:102;position:absolute;background-color:'+menubgcolor+';border:1px solid #CCCCCC;">' + what.join("") + '</div>';
		dropmenuobj.innerHTML='<iframe style="width:'+(localmenuwidth * 1 - 2)+'px;height:'+((what.length - 2) * 18 + 1)+'px;position:absolute;z-index:101;" scrolling="no" frameborder="0"></iframe>' + dropmenuobj.innerHTML;
	}
	else
		dropmenuobj.innerHTML=what.join("")
}

function highlight_top(obj) {
	oCurrent = obj;
	obj.className = obj.className + "h";
}

function unhighlight_top() {
	oCurrent.className = oCurrent.className.substring(0, oCurrent.className.length - 1);
	oCurrent = null;
}

function dropdownmenu(obj, e, menucontents, menuwidth, offsetx, imagename, imagesrc1, imagesrc0){
	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
	clearhidemenu()
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
	populatemenu(menucontents, menuwidth)

	if (oCurrent != null) unhighlight_top();
	highlight_top(obj);

	if (ie4||ns6){
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth);
		dropmenuobj.x=getposOffset(obj, "left") + offsetx;
		dropmenuobj.y=getposOffset(obj, "top");
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")-2+"px";
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px";
		dropmenuobj.style.width=menuwidth+"px";
	}

	return clickreturnvalue()
}

function slideoutmenu(obj, e, menucontents, menuwidth, parentmenuwidth){
	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
	clearhidemenu()
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
	populatemenu(menucontents, menuwidth)

	if (ie4||ns6){
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
		dropmenuobj.x=getposOffset(obj, "left") + parentmenuwidth
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+5+"px"
	}

	return clickreturnvalue()
}

function clickreturnvalue(){
	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(e){
	if (ie4&&!dropmenuobj.contains(e.toElement))
		delayhidemenu(e)
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu(e)
}

function hidemenu(){
	if (oCurrent != null) unhighlight_top();

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

function delayhidemenu(obj){
	if (ie4||ns6)
		delayhide=setTimeout("hidemenu()",disappeardelay)
}

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

if (hidemenu_onclick=="yes")
	document.onclick=hidemenu