} 
}; 
  document._getElementsByXPath = function(expression, parentElement) {    var results = [];    var query = document.evaluate(expression, $(parentElement) || document,      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);    for (var i = 0, length = query.snapshotLength; i < length; i++)      results.push(query.snapshotItem(i));    return results;  }
708	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/708/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/buggy/public/javascripts/prototype.js