var t=0;
function ShowTip(item) {
  if (!document.getElementById) return;
  thelink=document.getElementById(item);
  thetip=document.getElementById("tip-" + item);
  thetip.style.left=thelink.offsetLeft + thelink.offsetWidth + 10;
  thetip.style.top=thelink.offsetTop;
  t=window.setTimeout("ShowIt(\""+item+"\");",1000);
  thetip.style.backgroundColor="yellow";
}
function ShowIt(item) {
  t=0;
  thetip=document.getElementById("tip-" + item);
  thetip.style.visibility="visible";
}
function HideTip(item) {
  if (!document.getElementById) return;
  if (t) window.clearTimeout(t);
  thetip=document.getElementById("tip-" + item);
  thetip.style.visibility="hidden";
}