function getPageOffsetLeft(el) {

  var x;

    // Return the x coordinate of an element relative to the page.
  x = el.offsetLeft;
 
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

    // Return the y coordinate of an element relative to the page.
  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);
	
  return y;
}