/*
var prev= null;

  var old_onload_expandmenu = window.onload;
  window.onload=function() {
    if(document.getElementsByTagName && document.getElementById){
      document.getElementById("nav").className="jsenable";
      BuildList();
    }
    if (old_onload_expandmenu) old_onload_expandmenu();
  }

function BuildList(){
var hs=document.getElementById("nav").getElementsByTagName("h3");
for(var i=0;i<hs.length;i++){
    hs[i].onclick=function(){
        if(this.parentNode.className!="show"){
            this.parentNode.className="show";
            if(prev && prev!=this.parentNode) prev.className="hide";
            prev=this.parentNode;
            }
        else this.parentNode.className="hide";
        }
    }
} 
*/