var menutabs={
subcontainers:[],
last_accessed_tab:null,
revealsubmenu:function(curtabref){
this.hideallsubs();
if (this.last_accessed_tab!=null){
this.last_accessed_tab.className="";
}
if (curtabref.getAttribute("rel")){
//If there's a sub menu defined for this tab item, show it
document.getElementById(curtabref.getAttribute("rel")).style.display
="block";
}
curtabref.className="current";
this.last_accessed_tab=curtabref;
},
hideallsubs:function(){
for (var i=0; i<this.subcontainers.length; i++)
document.getElementById(this.subcontainers[i]).style.display="none"
},
init:function(menuId, selectedIndex){
var tabItems=document.getElementById(menuId).getElementsByTagName("a")
for (var i=0; i<tabItems.length; i++){
if (tabItems[i].getAttribute("rel"))
this.subcontainers[this.subcontainers.length]
=tabItems[i].getAttribute("rel")
if (i==selectedIndex){
tabItems[i].className="current"
this.revealsubmenu(tabItems[i])
}
tabItems[i].onmouseover=function(){
menutabs.revealsubmenu(this)
}
}
}
}