// Detect if the browser is IE or not.
  // If it is not IE, we assume that the browser is NS.
  var IE = document.all?true:false

  // If NS -- that is, !IE -- then set up for mouse capture
  if (!IE) document.captureEvents(Event.MOUSEMOVE)

  // Set-up to use getMouseXY function onMouseMove
  document.onmousemove = getMouseXY;

  // Temporary variables to hold mouse x-y pos.s
  var tempX = 0
  var tempY = 0

  // Main function to retrieve mouse x-y pos.s

  function getMouseXY(e) 
   {
     if (IE) 
	  { // grab the x-y pos.s if browser is IE
        tempX = event.clientX + document.body.scrollLeft
        tempY = event.clientY + document.body.scrollTop
      } 
	 else
	  {  // grab the x-y pos.s if browser is NS
        tempX = e.pageX
        tempY = e.pageY
      }  
     // catch possible negative values in NS4
     if (tempX < 0){tempX = 0}
     if (tempY < 0){tempY = 0}  
     return true
   }

  function showToolTip(string)
   {
   	 var obj=document.getElementById('tooltip');
 	 obj.style.left=tempX+2+'px';
	 obj.style.top=tempY+2+'px';
	 obj.style.display='inline';
     obj.innerHTML=string;
   }
   
  function hideToolTip()
   {
   	 document.getElementById('tooltip').style.display='none';
   }