startDropdown = function() {
	if (document.all && document.getElementById) {

		navRoot = document.getElementById("navbar");

		for (i = 0; i < navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				if (node.childNodes.length > 2) {
					node.onmouseover=function() {
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}	
			}
		}
	}
}