function startList() {
	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", "");
				}
			}
		}
	}
}


 function toggleVisibility (obj, type) {
     var obj = document.getElementById(obj);
	switch(obj.className) {
     case 'Hide':
		obj.className = 'Reveal';
     	break;
	default:
     	obj.className = 'Hide';
	}
}