function navigation() {
	var a=document.getElementById("leftNavBottom");
	var b=document.getElementById("leftColumn");
	var c=(document.all)?document.getElementById("leftNavBottom").childNodes[0]:document.getElementById("leftNavBottom").childNodes[1];
	var d=(document.all)?a.childNodes[0]:a.childNodes[1];
	b.style.display="block";
	c.style.display="block";
	for(var x=0,y;y=d.getElementsByTagName("ul")[x];x++) {
		if(y.parentNode.nodeName=="LI") {
			y.setAttribute((document.all?"className":"class"),"off");
		}
	}
	var a=window.location.pathname.split("/")[(window.location.pathname.split("/").length)-1];
	for(var x=0,y;y=d.getElementsByTagName("a")[x];x++) {
		if(y.getAttribute("href").split("/")[y.getAttribute("href").split("/").length-1]==a) {
			if(y.parentNode.parentNode.parentNode.nodeName=="LI") {
				y.parentNode.parentNode.parentNode.setAttribute("id","on");
				y.parentNode.setAttribute("id","onSub");
			}
			else {
				y.parentNode.setAttribute("id","on");
			}
		}
	}
}