function initPage()
{
	var navRoot = document.getElementById("arch-nav");
	var as = navRoot.getElementsByTagName("a");
	for (var i=0; i<as.length; i++)
	{
		if(as[i].href.indexOf("#") != -1)
		{
			as[i].href = 'javascript:;';
		}
		as[i].onclick = function()
		{
			if (this.parentNode.className.indexOf("active") == -1){
				this.parentNode.className += "active";
			}
			else {
				this.parentNode.className = "";
			}
			
		}
		
	}
	
}

if (window.addEventListener)
	window.addEventListener("load", initPage, false);
else if (window.attachEvent)
	window.attachEvent("onload", initPage);