var oPopup = window.createPopup();
function PopupShow(strID,strColor,intWidth,intHeight,strRef)
   {
      var defText = GetDef(strID);
      var lefter = event.offsetX+10;
      var topper = event.offsetY+10;
      var oPopBody = oPopup.document.body;
      oPopBody.style.backgroundColor = strColor;
      oPopBody.style.border = "solid black 1px";
      oPopBody.style.fontFamily = "Courier";
      oPopBody.style.paddingTop = "2px";
      oPopBody.style.paddingLeft = "10px";
      oPopBody.innerHTML = defText;
      oPopup.show(lefter, topper, intWidth, intHeight, strRef);
   }