function GetElementsWithClassName(elementName,className) {
          var allElements = document.getElementsByTagName(elementName);
          var elemColl = new Array();
          for (var i = 0; i< allElements.length; i++) {
                  if (hasClass(allElements[i], className)) {
                          elemColl[elemColl.length] = allElements[i];
                  }
          }
          return elemColl;
  }
  
  function isParentOrSelf(element, id) {
          if (element == null || element.nodeName=='BODY') return false;
          else if (element.id == id) return true;
          else return isParentOrSelf(element.parentNode, id);
  }