var hintcontainer = null;
function showhint(obj, txt) {
   if (hintcontainer==null) {
	  hintcontainer = document.createElement("div");
	  hintcontainer.className="hintstyle";
	  document.body.appendChild(hintcontainer);
   }
   obj.onmouseout = hidehint;
   obj.onmousemove=movehint;
   hintcontainer.innerHTML=txt;
}
function movehint(e) {
	if (!e) e = event; //line for IE compatibility
	hintcontainer.style.top =  (e.clientY+document.documentElement.scrollTop+2)+"px";
	hintcontainer.style.left = (e.clientX+document.documentElement.scrollLeft+10)+"px";
	hintcontainer.style.display="";
}
function hidehint() {
   hintcontainer.style.display="none";
}