function nav() {
	var a=document.getElementById("sectionA");
	var b=(document.all)?a.childNodes[2]:a.childNodes[5];
	a.style.visibility="visible";
	for(var c=0,d;d=b.getElementsByTagName("ul")[c];c++) {
		if(d.parentNode.nodeName=="LI") {
			d.setAttribute((document.all?"className":"class"),"off");
		}
	}
	//var e;
	//(document.all)?e=window.location.href.split("/")[window.location.href.split("/").length-1]:e=window.document.baseURI.split("/")[document.baseURI.split("/").length-1];
	var e=window.location.href.split("/")[window.location.href.split("/").length-1];
	for(var f=0,g;g=document.getElementsByTagName("a")[f];f++) {
		if(g.getAttribute("href")!=null && g.getAttribute("href").split("/")[g.getAttribute("href").split("/").length-1]==e) {
			if(g.parentNode.parentNode.parentNode.nodeName=="LI") {
				g.parentNode.parentNode.parentNode.setAttribute((document.all?"className":"class"),"on");
				g.parentNode.setAttribute((document.all?"className":"class"),"on");
				g.parentNode.parentNode.setAttribute((document.all?"className":"class"),"on");
			}
			else {
				g.parentNode.setAttribute((document.all?"className":"class"),"on");
			}
		}
	}
}