function initMenu() {
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("mainmenu");
		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 = function() {
	initMenu();
	externalLinks();
}