rem: Form.getElements(this.element).each(this.registerCallback.bind(this)); 
add: Form.getElements(this.element).each(this.registerCallback, this); 
context:   registerFormCallbacks: function() {    Form.getElements(this.element).each(this.registerCallback.bind(this));  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/prototype.js/buggy/typo3/contrib/prototype/prototype.js