function showBox(boxId)
{
  var elm = document.getElementById(boxId);
  elm.style.visibility='visible';
  
  var XPos = (document.all) ? document.body.scrollLeft : window.pageXOffset;
  var YPos = (document.all) ? document.body.scrollTop : window.pageYOffset;
  //alert(document.documentElement.scrollTop + "," + document.documentElement.scrollLeft);
  
  elm.style.left=mouseX+(document.all ? document.documentElement.scrollLeft : 0)+10+'px';
  elm.style.top=mouseY+(document.all ? document.documentElement.scrollTop : 0)-50+'px';
  //elm.style.left='0px';
  //elm.style.top='0px';
  //alert('hmm');
}

function hideBox(boxId)
{
  var elm = document.getElementById(boxId);
  elm.style.visibility='hidden';
}