/***********************************************
* 2 level Horizontal Tab Menu- by JavaScript Kit (www.javascriptkit.com)
* This notice must stay intact for usage
* Visit JavaScript Kit at http://www.javascriptkit.com/ for full source code
***********************************************/

var mastertabvar=new Object()
	mastertabvar.baseopacity=100
	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)	
}

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 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"))
			}
		}
	}
}

function resizeFrame(f) {
	if( f != null){
		f.style.height = f.contentWindow.document.body.scrollHeight + "px";
		f.style.width  = f.contentWindow.document.body.scrollWidth  + "px";
		}
	}