var mastertabvar = new Object();
mastertabvar.baseopacity = 100;
mastertabvar.browserdetect = "";


function initalizetab(tabid) 
{
	mastertabvar[tabid] = new Array();
	
	var menuitems = document.getElementById(tabid).getElementsByTagName("li");
	
	for ( var i = 0; i < menuitems.length; i++) 
	{
		if (menuitems[i].getAttribute("rel")) 
		{
			menuitems[i].setAttribute("rev", tabid);
			mastertabvar[tabid][mastertabvar[tabid].length] = menuitems[i] .getAttribute("rel");
			
			if (menuitems[i].className == "selected")
				showsubmenu(tabid, menuitems[i].getAttribute("rel"))
			
				menuitems[i].getElementsByTagName("a")[0].onmouseover = function() 
				{
					showsubmenu(this.parentNode.getAttribute("rev"),this.parentNode.getAttribute("rel"));
				}
		}
	}
}



function showsubmenu(masterid, id) 
{
	if (typeof highlighting != "undefined")
		clearInterval(highlighting);
	
	submenuobject = document.getElementById(id);
	
	mastertabvar.browserdetect = submenuobject.filters ? "ie" : typeof submenuobject.style.MozOpacity == "string" ? "mozilla" : "";
	hidesubmenus(mastertabvar[masterid]);
	submenuobject.style.display = "block";
	
	instantset(mastertabvar.baseopacity);
//	highlighting = setInterval("gradualfade(submenuobject)", 50);
}


function hidesubmenus(submenuarray) 
{
	for ( var i = 0; i < submenuarray.length; i++)
		document.getElementById(submenuarray[i]).style.display = "none";
}


function instantset(degree) 
{
	if (mastertabvar.browserdetect == "mozilla")
		submenuobject.style.MozOpacity = degree / 100;
//	else if (mastertabvar.browserdetect == "ie")
//		submenuobject.filters.alpha.opacity = degree;
}


//function gradualfade(cur2)
//{
//	if (mastertabvar.browserdetect == "mozilla" && cur2.style.MozOpacity < 1)
//		cur2.style.MozOpacity = Math.min(parseFloat(cur2.style.MozOpacity) + 0.1, 0.99);
//	else if (mastertabvar.browserdetect == "ie" && cur2.filters.alpha.opacity < 100)
//		cur2.filters.alpha.opacity += 10;
//	else if (typeof highlighting != "undefined") 
//		clearInterval(highlighting);
//}