function show(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="block";
		} else if (document.all) {
		  document.all[id].style.display="block";
		} else if (document.layers) {
		  document.layers[id].display="block";
		} }

 function hide(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="none";
		} else if (document.all) {
		  document.all[id].style.display="none";
		} else if (document.layers) {
		  document.layers[id].display="none";
		} }

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