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

			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=="ie6")
				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"))
			}
		}
	}
}