rem: return Selector.findElement($(element).ancestors(), expression, index); 
add: element = $(element); if (arguments.length == 1) return $(element.parentNode); var ancestors = element.ancestors(); return expression ? Selector.findElement(ancestors, expression, index) : ancestors[index || 0]; 
context:   up: function(element, expression, index) {    return Selector.findElement($(element).ancestors(), expression, index);  },
meta: 9859	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9859/c1f8a57fb495053291d684e68f518dd14dfa0a6f/prototype.js/clean/js_test/prototype.js