sfHover = function() {	
 navRoot = document.getElementById("menu");
 if(navRoot == null) {
  return;
 }
 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", "");
   }
  }
 }
}

if(window.attachEvent) {
 window.attachEvent("onload", sfHover);
}

function change_text(element, text) {
 var hasInnerText = (document.getElementsByTagName("body")[0].innerText != undefined);
 if(hasInnerText) {
  element.innerText = text;
 }
 else {
  element.textContent = text;
 }
}