document.onmousemove = moveTip;
function moveTip(e) {
  floatTipStyle = document.getElementById("floatTip").style;
  w = 250;


  if (document.all)  {
    x = event.x + document.body.scrollLeft;
    y = event.y + document.body.scrollTop;

  } else   {
    x = e.pageX;
    y = e.pageY;
  }


  if ((x + w + 10) < document.body.clientWidth) {
    floatTipStyle.left = x + 'px';


  } else {
    floatTipStyle.left = x - w + 'px';
  }


  floatTipStyle.top = y + 20 + 'px';
}

function toolTip(msg) {
  floatTipStyle = document.getElementById("floatTip").style;
  if (msg) {


    document.getElementById("floatTip").innerHTML = msg;

    floatTipStyle.display = "block";
  } else {

    floatTipStyle.display = "none";
  }
}