return Selector.findElement($(element).descendants(), expression, index); 
element = $(element); if (arguments.length == 1) return element.firstDescendant(); var descendants = element.descendants(); return expression ? Selector.findElement(descendants, expression, index) : descendants[index || 0]; 
  down: function(element, expression, index) {    return Selector.findElement($(element).descendants(), expression, index);  },
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/110aa6ceb19f486c3930285023b66d3f23fdf6c4/prototype.js/buggy/wp-includes/js/prototype.js