Form.getElements(this.element).each(this.registerCallback.bind(this)); 
Form.getElements(this.element).each(this.registerCallback, this); 
  registerFormCallbacks: function() {    Form.getElements(this.element).each(this.registerCallback.bind(this));  },
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/0c67d2a1c175fa312f232b827bd1c26b95eac0e1/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js