function getRealLeft(el)
{
    xPos = el.offsetLeft;
    tempEl = el.offsetParent;
    while (tempEl != null) 
    {
        xPos += tempEl.offsetLeft;
        tempEl = tempEl.offsetParent;
    }
    return xPos;
}

function getRealTop(el)
{
    yPos = el.offsetTop;
    tempEl = el.offsetParent;
    while (tempEl != null) 
    {
        yPos += tempEl.offsetTop;
        tempEl = tempEl.offsetParent;
    }
    return yPos;
}