function showInfoAtMouseCursor(e, div, left, up){
  var posX = 0;
  var posY = 0;

  //if(navigator.appName == "Netscape") {
  if((navigator.appName == "Netscape") || (navigator.appName == "Opera")){
    posX = e.pageX - left - 5;
    posY = e.pageY + 10 - up;
  }else{
    posX = document.body.scrollLeft + event.clientX - left - 10;
    posY = document.body.scrollTop + event.clientY + 10 - up;
  }
  
  //document.getElementById(div).style.visibility = "visible";
  document.getElementById(div).style.display = "block";
  document.getElementById(div).style.top = eval(posY + 10) + "px";
  document.getElementById(div).style.left = eval(posX + 20) + "px";
}

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