//var menuwidth='175px' // default menu width
//var menubgcolor='#000000'  // menu bgcolor
var disappeardelay=150  // menu disappear speed onMouseout (in miliseconds)
var hidemenu_onclick="no" // hide menu when click within menu

var ie4=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, 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 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) {
	if (ie4||ns6) {
		dropmenuobj.innerHTML=''
		for (var i=0; i<what.length; i++) {
			dropmenuobj.innerHTML+="<div><a href=\""+what[i].URL+"\"><span>"+what[i].Text+"</span></a></div>"
			}
		}
	}

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

function dropdownmenu(obj, e, menucontents, menuwidth, offsetx, offsety, headimgid, headimgover) {

	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
	clearhidemenu()
	hidemenu()  // make sure menus aren't left open
	dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
	populatemenu(menucontents)
	if (ie4||ns6) {
		showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
		if (headimgover && headimgover.length > 0) MM_swapImage(headimgid, '', headimgover, 1)
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+offsetx+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+offsety+"px"
		}
	return clickreturnvalue()
	}

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"
			MM_swapImgRestore()
			}
		}
	}

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

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

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