Updated "find position" script

find-pos

function findPos(obj) {
  var curleft = curtop = 0, scr = obj, fixed = false;
  while ((scr = scr.parentNode) && scr != document.body) {
    curleft -= scr.scrollLeft || 0;
    curtop -= scr.scrollTop || 0;
    if (getStyle(scr, "position") == "fixed") fixed = true;
  }
  if (fixed && !window.opera) {
    var scrDist = scrollDist();
    curleft += scrDist[0];
    curtop += scrDist[1];
  }
  do {
    curleft += obj.offsetLeft;
    curtop += obj.offsetTop;
  } while (obj = obj.offsetParent);
  return [curleft, curtop];
}

function scrollDist() {
  var html = document.getElementsByTagName('html')[0];
  if (html.scrollTop && document.documentElement.scrollTop) {
    return [html.scrollLeft, html.scrollTop];
  } else if (html.scrollTop || document.documentElement.scrollTop) {
    return [
      html.scrollLeft + document.documentElement.scrollLeft,
      html.scrollTop + document.documentElement.scrollTop
    ];
  } else if (document.body.scrollTop)
    return [document.body.scrollLeft, document.body.scrollTop];
  return [0, 0];
}

function getStyle(obj, styleProp) {
  if (obj.currentStyle) {
    var y = obj.currentStyle[styleProp];
  } else if (window.getComputedStyle)
    var y = window.getComputedStyle(obj, null)[styleProp];
  return y;
}

http://www.greywyvern.com/?post=331