function startList() {
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("allcategoriesnav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName == "LI") {
				node.onmouseover = function() { this.className += " over"; }
				node.onmouseout = function() { this.className = this.className.replace(" over", ""); }
			}
		}
	}
}
function tabToArrow() {
	if (document.getElementById) {
		navRoot = document.getElementById("allcategoriesnav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName == "LI") { node.className += " over"; }
		}
	}
}
function tabAwayFromArrow() {
	if (document.getElementById) {
		navRoot = document.getElementById("allcategoriesnav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName == "LI") {
				node.className = node.className.replace(" over", "");
				node.className = node.className.replace("over", "");
			}
		}
	}
}