var disappeardelay=400; //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=1; //hide menu when user clicks within menu? (1=yes, 0=no)
var selectedImage;
var ie5=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){
	if (ie5||ns6) dropmenuobj.style.left=dropmenuobj.style.top=-500;
	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=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 windowedge=ie5 && !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 dropdownmenu(imageName, obj, e, dropmenuID){
	if (window.event) event.cancelBubble=true;
	else if (e.stopPropagation) e.stopPropagation();
	if (typeof dropmenuobj!="undefined") dropmenuobj.style.visibility="hidden";
	clearhidemenu()	;
	if (ie5||ns6){
		obj.onmouseout=delayhidemenu;
		dropmenuobj=document.getElementById(dropmenuID);
		if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden';}
		dropmenuobj.onmouseover=clearhidemenu;
		dropmenuobj.onmouseout=ie5? function(){dynamichide(event)} : function(event){ dynamichide(event)};
		showhide(dropmenuobj.style, e, "visible", "hidden");
		dropmenuobj.x=getposOffset(obj, "left");
		dropmenuobj.y=getposOffset(obj, "top");
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")-10+"px";
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")-14+obj.offsetHeight+"px";
	}
	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.visibility='hidden'",disappeardelay);
}

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

function closeMenu() {
	dropmenuobj.style.visibility='hidden';
}

function imageOver(imageName) {
	setSelectedImageOff();
	selectedImage = imageName;
	var image = eval("document."+imageName);
	image.src="/fraxern/images/layout/" + imageName + "_on.gif";
}

function imageOff(imageName) {
  	var image = eval("document."+imageName);
  	image.src="/fraxern/images/layout/" + imageName + "_off.gif";
}

function setSelectedImageOff() {
  	if (selectedImage != null) imageOff(selectedImage);
}


function openPhotoAlbum(file) {
	var winParameter = "width=600,height=380,menubar=0,resizable=1,scrollbars=1,status=0,titlebar=1,toolbar=0,left=10,top=10";
	var pictureWindow = window.open(file,"pictureWindow",winParameter);
	pictureWindow.focus();
}