function sleep(milli)
{
	var date = new Date();
	var curDate = null;

	do
	{
		curDate = new Date();
	}
	while (curDate-date < milli);
}

var menu =
{
	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"
			document.getElementById("main_" + curtabref.getAttribute("rel")).style.color="#ff4a00"
		}
		this.last_accessed_tab=curtabref
	},

	hideallsubs: function()
	{
		for (var i=0; i<this.subcontainers.length; i++)
		{                               
			document.getElementById(this.subcontainers[i]).style.display="none"
			document.getElementById("main_" + this.subcontainers[i]).style.color="#FFFFFF"
		}
	},

	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")

			tabItems[i].onmouseover=function()
			{
				menu.revealsubmenu(this)
			}
		}
	}
}