// DOM extentions  v1.0
// documentation: http://www.dithered.com/javascript/dom_extensions/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)


// offsetTop and offsetLeft corrections
// note: IE5 Mac will not include page margins in calculations.
function getOffsetTop(element, deep) {
   return getOffsetProperty(element, 'Top', deep);
}

function getOffsetLeft(element, deep) {
   return getOffsetProperty(element, 'Left', deep);
}

function getOffsetProperty(element, property, deep) {
   var offsetValue = 0;
   offsetProperty = 'offset' + property;
   
   do {
      offsetValue += element[offsetProperty];
      element = element.offsetParent;
   } while (deep == true && element != document.body && element != null);
   return offsetValue;
}