function unhide(divID) {
  var item = document.getElementById(divID);
  if (item) {
    item.className=(item.className=='invisible')?'visible':'invisible';
  }
  
startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("project-menu");
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;

}// JavaScript Document