function popInfo(e,s) {
  if (document.getElementById) {
    var ss=document.getElementById(s);
    ss.style.visibility='visible';
    ss.style.top=e.pageY+15;
    if ( (window.innerWidth-e.pageX) < ss.offsetWidth)
      ss.style.left=e.pageX-ss.offsetWidth-10;
    else {
      ss.style.left=e.pageX+10;
	var x=ss;
 	while ( (x=x.offsetParent) != null) {
	  ss.style.top=parseInt(ss.style.top)-x.offsetTop;
	  ss.style.left=parseInt(ss.style.left)-x.offsetLeft;
	}
    }
  }
}
function hideInfo(s) {
  if (document.getElementById) {
    var ss=document.getElementById(s);
    ss.style.visibility='hidden';
  }
}