element = $(element); if (arguments.length == 1) return element.firstDescendant(); var descendants = element.descendants(); return expression ? Selector.findElement(descendants, expression, index) : descendants[index || 0]; 
return Selector.findElement($(element).descendants(), expression, index); 
  down: function(element, 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];  },
4053	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4053/99db091466168b09f46c79ff71f0e07c7fd4a8db/prototype.js/clean/lib/prototype.js