function DOMGetElement(o) {
  if (document.getElementById) return document.getElementById(o);
  else if (document.all)             return document.all[o];
  else if (document.layers)          return document.layers[o];
  return null;
}

function DOMWindowGetXOffset() {
  if (document.all)            return document.body.scrollLeft;
  else if (document.getElementById)  return window.pageXOffset;
  else if (document.layers)          return window.pageXOffset;
}

function DOMWindowGetYOffset() {
  if (document.all)             return document.body.scrollTop;
  else if (document.getElementById)  return window.pageYOffset;
  else if (document.layers)          return window.pageYOffset;
}

function DOMElementSetTopPos(o,val) {
  if (document.getElementById) o.style.top = val;
  else if (document.all)       o.style.top = val;
  else if (document.layers)    o.pageY = val;
}

function DOMElementSetLeftPos(o,val) {
  if (document.getElementById) o.style.left = val;
  else if (document.all)       o.style.left = val;
  else if (document.layers)    o.pageX = val;
}

function DOMWindowGetInnerWidth() {
  if (document.all)           return document.body.clientWidth;
  else if (document.getElementById)   return window.innerWidth;
  else if (document.layers)           return window.innerWidth;
}

function DOMWindowGetInnerHeight() {
  if (document.all)          return document.body.clientHeight;
  else if (document.getElementById)  return window.innerHeight;
  else if (document.layers)          return window.innerHeight;
}

function DOMElementGetHeight(o) {
  if (document.all)                 return o.clientHeight;
  else if (document.getElementById) return parseInt(o.offsetHeight);
  else if (document.layers)         return o.document.height;
}

function DOMElementGetWidth(o) {
  if (document.all)                 return o.clientWidth;
  else if (document.getElementById) return parseInt(o.offsetWidth);
  else if (document.layers)         return o.document.width;
}

function pageOffset() {
  var o = DOMGetElement('o');
  if (o) {
    DOMElementSetLeftPos(o, DOMWindowGetXOffset() + DOMWindowGetInnerWidth() - DOMElementGetWidth(o) - 80);
    DOMElementSetTopPos(o, DOMWindowGetYOffset() + DOMWindowGetInnerHeight() - DOMElementGetHeight(o) - 10);

    setTimeout('pageOffset()',10);
  }
}
