var c = document.getElementById("divTool");
c.style.position = "absolute";
var eT = obj.offsetTop;
var eH = obj.offsetHeight+eT;
c.style.left = window.event.clientX-event.offsetX+document.documentElement.scrollLeft-20;
c.style.top = window.event.clientY-event.offsetY+document.documentElement.scrollTop+eH-8;
c.style.display = "block";
