var mastertabvar=new Object()
mastertabvar.baseopacity=0
mastertabvar.browserdetect=""

var currentSubmenuobject

function makeblank(){
	
if (typeof currentSubmenuobject!="undefined"){
	submenuobject.style.display="none"
}

}

function showsubmenu(masterid, id){
	
if (typeof highlighting!="undefined")
clearInterval(highlighting)
submenuobject=document.getElementById(id)
currentSubmenuobject=submenuobject
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_onmouseout(masterid,id){
	
var submenuarray=mastertabvar[masterid]
for (var i=0; i<submenuarray.length; i++)
document.getElementById(submenuarray[i]).style.display="none"
}

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") //fading animation over
clearInterval(highlighting)
}

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) //associate this submenu with main tab
			mastertabvar[tabid][mastertabvar[tabid].length]=menuitems[i].getAttribute("rel") //store ids of submenus of tab menu
			
			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"))
			}
			
		}
	}
}