function Desc(flag, id, link)
  {

    dv = document.getElementById(id);

    lnk = document.getElementById(link);

    if (flag == 0)
      {

        if (navigator.appName == "Microsoft Internet Explorer")
          {

            dv.style.marginLeft = window.event.offsetX - 200;

            dv.style.marginTop = window.event.offsetY + 15;

          }

        dv.style.visibility = "visible";

      }
    else
      {

        dv.style.visibility = "hidden";

      }

  }