var menuwidth		= '165px'	//default menu width
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="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 = -500
	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 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
	}
	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