function init() {
   M=false;
   N=false;
   if (navigator.appName.slice(0,1)=='N') N=true; else M=true;
   cm=null;
   document.onmouseover=menuControl;
   }

   function getPos(el,sProp) {
   var iPos=0;
   while (el!=null) {
   if (el.tagName!='A') iPos+=el["offset"+sProp];
   el = el.offsetParent;
   }
   return iPos;
   }

   function show(el,m) {
   with (m.style) {
   display='';
   left=getPos(el,"Left");
   top=getPos(el,"Top")+el.offsetHeight;
   }
   if ((m!=cm) && (cm!=null)) cm.style.display='none';
   cm=m;
   }

   function hide() {
   if (cm!=null) cm.style.display='none';
   cm=null;
   }

   function menuControl(e) {
   if (N) es=e.target;
   if (M) es=event.srcElement;
   esi=es.id;
   if (esi==void 0) {
   es=es.parentNode;
   esi=es.id;
   }
   es1=esi.substring(0,1);
   if (es1=='d') show(es,document.getElementById('sd'+esi.substring(1,2)));
   if (es1=='B') hide();
   }