cm = null;
hide_delay = 150;
tstat=0;

isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;

function switchDiv(objElement,bolVisible) {
 if(isNS4||isIE4){
  if(!bolVisible) {
   objElement.visibility ="hidden"
  } else {
   objElement.visibility ="visible"
  }     
 } else {
  if(!bolVisible){
   objElement.style.display = "none";
  } else {
   objElement.style.display = "";
  }
 }
 return 1;
}

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

function getelementbyid(myid) {
 if (isNS4){
  objElement = document.layers[myid];
 } else if (isIE4) {
  objElement = document.all[myid];
 } else {
  objElement = document.getElementById(myid);
 }
 return(objElement);
}

function show(el,m) {
 if (cm!=null) {
  switchDiv(cm,false);
 }

 if (m!=null) {
  m=getelementbyid(m);
  m.style.left = getPos(el,"Left")+el.offsetWidth+"px";
  m.style.top = getPos(el,"Top")+"px";
  switchDiv(m,true);
  cm=m;
 }
}

function hidemenu() {
 timer1=setTimeout("show(null,null)",hide_delay);
 tstat=1;
 return 1;
}

function cancelhide() {
 if (tstat==1) {
  clearTimeout(timer1);
  tstat=0;
 }
 return 1;
}