function initMenu()
{
	var nodes = document.getElementById("menu").getElementsByTagName("li");
	for (var i=0; i<nodes.length; i++)
	{
		nodes[i].onclick = function()
		{
			if( this.className.indexOf("select") == -1 ) this.className +=" select";
			else this.className = this.className.replace("select", "");
		}
	}
}
if (window.addEventListener) window.addEventListener("load", initMenu, false);
else if (window.attachEvent) window.attachEvent("onload", initMenu);