function getAbsX(elName)
{
var obj=document.getElementById(elName);
var leftOffset = 0;
if (obj.offsetParent)
{
    while (obj.offsetParent)
    {
	 leftOffset += obj.offsetLeft;
	 obj = obj.offsetParent;
    }
}
else if (obj.x) //for NN4
{
    leftOffset = obj.x;
}
return leftOffset;
}

function getAbsY(elName)
{
var obj=document.getElementById(elName);
var topOffset = 0;
if (obj.offsetParent)
{
    while (obj.offsetParent)
    {
	 topOffset += obj.offsetTop;
	 obj = obj.offsetParent;
    }
}
else if (obj.y) // for NN4
{
    topOffset = obj.y;
}
return topOffset;
}