return expression.strip().split(/\s+/).inject([null], function(results, expr) { 
return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { 
      return expression.strip().split(/\s+/).inject([null], function(results, expr) {        var selector = new Selector(expr);        return results.inject([], function(elements, result) {          return elements.concat(selector.findElements(result || element));        });      });
708	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/708/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/buggy/public/javascripts/prototype.js