initLeftNav = function() {
	var navRoot = document.getElementById("left-nav");
	if (navRoot)
	{
		var lis = navRoot.getElementsByTagName("li");
		for (var i=0; i<lis.length; i++)
		{
			lis[i].onclick = function()
			{
				if (this.className.indexOf("active") != -1) this.className = this.className.replace("active", "")
				else this.className += " active";
			}
		}
	}
}
	
if (window.addEventListener) 
	window.addEventListener("load", initLeftNav, false);
else if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initLeftNav);