var lastShownMenu = "";
	var t = null;

	function getRef(divName) {
		return (navigator.appVersion.charAt(0) == "4" && navigator.appName == "Netscape")
			? eval("document.subnav_" + divName)
			: eval("document.getElementById('subnav_" + divName + "').style")
      }

	function setColors(aName, fore, back) {
		var item = getRef(aName);
		item.background = back;
		item.color = fore;
	}

	function divShow(divShowName) {
		getRef(divShowName).visibility = "visible"
		setColors(divShowName+"_item",'#31556b','#DDE6EC');
		setColors(divShowName+"_td",'#31556b','#DDE6EC');
	}

	function divHide(divHideName) {
		getRef(divHideName).visibility = "hidden"
		setColors(divHideName+"_item",'#F0F0F0','#31556b');
		setColors(divHideName+"_td",'#F0F0F0','#31556b');
	}

	function subMenu(divShowName) {
		clearTimeout(t);
		//var pos = document.getElementById("subnav_"+divShowName+"_td").offsetLeft;
		//getRef(divShowName).left = pos;
		divShow(divShowName);
		if (lastShownMenu != "" && lastShownMenu != divShowName)
			divHide(lastShownMenu );
		lastShownMenu = divShowName;
	}

	function subMenuOffDelay(subMenuOffName) {
		t = eval("setTimeout(\"divHide('" + subMenuOffName + "')\", 2000) ")
	}