function getAbsolutePosition(elem)
{
   var r = { x: elem.offsetLeft, y: elem.offsetTop };
   if (elem.offsetParent)
   {
	 var tmp = getAbsolutePosition(elem.offsetParent);
	 r.x += tmp.x;
	 r.y += tmp.y;
   }
   return r;
}

function getDVMenu(nm)
{
	var d = document;
	var r = getAbsolutePosition(d.getElementById(nm));
	var m = d.getElementById('d'+nm);
	m.style.top = r.y + 'px';
	m.style.left = r.x + 'px';
	m.style.display = 'block';

}

function hideDVMenu(nm)
{
	document.getElementById('d'+nm).style.display = 'none';
}