var wmtt = null;
    var x;
    var y;
    document.onmousemove = updateTT;

    function setID (id) {
      document.getElementById('a-du-id').value = id;
      document.w.submit ();
    }

    function updateTT(e) {
      var scrTop = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
      var scrLeft = (document.documentElement && document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
      x = (document.all) ? window.event.x + scrLeft : e.pageX;
      y = (document.all) ? window.event.y + scrTop : e.pageY;
      if (wmtt != null) {
        wmtt.style.left = ((x * 1) + 10) + "px";
        wmtt.style.top  = ((y * 1) + 10) + "px";
      }
    }

    function showTT(id) {
      wmtt = document.getElementById(id);
      wmtt.style.display = "block"
      if (wmtt != null) {
        wmtt.style.left = ((x * 1) + 10) + "px";
        wmtt.style.top  = ((y * 1) + 10) + "px";
      }
    }

    function hideTT() {
      wmtt.style.display = "none";
    }