function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function')
		window.onload = func;
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
function insertAfter(newElement,targetElement) {
	var parent = targetElement.parentNode;
	if (parent.lastChild == targetElement)
		parent.appendChild(newElement);
	else
		parent.insertBefore(newElement,targetElement.nextSibling);
}
function addClass(element,value) {
	if (!element.className)
		element.className = value;
	else {
		newClassName = element.className;
		newClassName+= " ";
		newClassName+= value;
		element.className = newClassName;
	}
}
function highlightPage() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("navigation")) return false;
	var nav = document.getElementById("navigation");
	var links = nav.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
		var linkurl = links[i].getAttribute("href");
		var currenturl = window.location.href;
		if (currenturl.indexOf(linkurl) != -1) {
			links[i].className = "here";
			var linktext = links[i].lastChild.nodeValue.toLowerCase();
			document.body.setAttribute("id",linktext);
		}
	}
	return true;
}
addLoadEvent(highlightPage);