function showInfoAtMouseCursor(e, div, left, top){
  var posX = 0;
  var posY = 0;
  
  if((navigator.appName == "Netscape") || (navigator.appName == "Opera")){
    posX = e.pageX - left;
    posY = e.pageY - top;
  }else{
    posX = document.body.scrollLeft + event.clientX - left - 25;
    posY = document.body.scrollTop + event.clientY - top;
  }

  div_pointer = document.getElementById(div);

  if(div_pointer){
    div_pointer.style.display = "block";
    div_pointer.style.top = eval(posY - 30) + "px";
    div_pointer.style.left = eval(posX + 20) + "px";
    if((navigator.appName == "Netscape") || (navigator.appName == "Opera")){
      div_pointer.style.left = eval(posX - 5) + "px";
    }
  }
}

function hideInfoAtMouseCursor(div){
  document.getElementById(div).style.display = "none";
}