return expression.strip().split(/\s+/).inject([null], function(results, expr) { var selector = new Selector(expr); return results.map(selector.findElements.bind(selector)).flatten(); }); 
['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { var className = 'HTML' + tag + 'Element'; if(window[className]) return; var klass = window[className] = {}; klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; }); 
    return expression.strip().split(/\s+/).inject([null], function(results, expr) {      var selector = new Selector(expr);      return results.map(selector.findElements.bind(selector)).flatten();    });
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/15b6168787a6a25fd1fbbc41a3a5227b899071a9/prototype.js/clean/wp-includes/js/prototype.js