var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=1 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=0 //hide menu when user clicks within menu? (1=yes, 0=no)

/////No further editting needed

var ie5 = document.all;
var ns6 = document.getElementById&&!document.all;

var useIFrame = (ie5 && !ns6 && document.createElement)? true : false;

if(useIFrame){
	if (window.addEventListener) window.addEventListener("load",createIFrames,false);
	else if (window.attachEvent) window.attachEvent("onload",createIFrames);
} else {
	var frame = null;
}

function createIFrames(){
	frame = document.createElement("iframe");
	frame.style.position = "absolute";
	frame.style.display = "none";
	document.getElementsByTagName('body')[0].appendChild(frame);
}

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){
	if (ie5||ns6) dropmenuobj.style.left = dropmenuobj.style.top=-500;
	if (e.type=="click" && obj.display == hidden || e.type=="mouseover") obj.display=visible;
	else if (e.type=="click") obj.display = 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=ie5 && !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=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset;
		var windowedge=ie5 && !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 dropdownmenu(obj, e, dropmenuID){
	if (window.event) event.cancelBubble = true;
	else if (e.stopPropagation) e.stopPropagation();
	if (typeof dropmenuobj!="undefined") //hide previous menu
		dropmenuobj.style.display="none";
	
	clearhidemenu();

	if (ie5||ns6){
		obj.onmouseout = delayhidemenu;
		dropmenuobj = document.getElementById(dropmenuID);

		if (hidemenu_onclick) dropmenuobj.onclick = function(){ dropmenuobj.style.display='none'; }

		dropmenuobj.onmouseover = clearhidemenu;
		dropmenuobj.onmouseout = ie5? function(){ dynamichide(event); } : function(event){ dynamichide(event); }
		showhide(dropmenuobj.style, e, "block", "none");

		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";
		dropmenuobj.style.zIndex = 999;

		if(useIFrame && typeof frame != "undefined"){
			frame.style.width = dropmenuobj.offsetWidth;
			frame.style.height = dropmenuobj.offsetHeight;
			frame.style.left = dropmenuobj.style.left;
			frame.style.top = dropmenuobj.style.top;
			frame.style.zIndex = dropmenuobj.style.zIndex - 1;
			frame.style.display = "block";
		}
	}
	return clickreturnvalue();
}

function clickreturnvalue(){
	if ((ie5||ns6) && !enableanchorlink) 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 (ie5&&!dropmenuobj.contains(e.toElement))
		delayhidemenu();
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu();
}

function delayhidemenu(){
	delayhide=setTimeout("dropmenuobj.style.display='none';if(useIFrame && typeof frame != 'undefined')frame.style.display='none';",disappeardelay)
}

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