function startList() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("navMain");
		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", "");
				}
			}
		}
	}
}
window.onload=startList;

function roll(obj, state) {
  if (state == 0) { document.images[obj].src = "/images/" + obj + "_0.gif" };
  if (state == 1) { document.images[obj].src = "/images/" + obj + "_1.gif" };
}