var menuwidth='120px' //default menu width
var menubgcolor='transparent'  //menu bgcolor
var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="yes" //hide menu when user clicks within menu?

var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
	document.write('<div id="dropmenudiv" style="absolute; z-index: 200; visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" 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="-500px"
	if (menuwidth!="") {
		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) {
			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("")
}


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

	if (ie4||ns6) {
		showhide(dropmenuobj.style, e, "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 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()
			else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))

	delayhidemenu()
}

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

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

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

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