startList = function() {
			if (document.all && document.getElementById) {
				navRoot = document.getElementById("dropdown");
				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;


function pathOnly (InString)  {
        LastSlash=InString.lastIndexOf('/', InString.length-1);
        OutString=InString.substring  (0, LastSlash+1);
        return (OutString);     
}

function apri(nomeFrame, larghezza, altezza, nomeFile)
{
  var sPath;
  var sNomeFrame=nomeFrame;
  sPath=pathOnly(location.href)+nomeFile;
  win=window.open(sPath,sNomeFrame,"width="+larghezza+",height="+altezza+",resizable=yes,status=no,menubar=no,scrollbars=yes");
  return;
}