return Element.classNames(element).remove(className); 
Element.classNames(element).remove(className); return element; 
  removeClassName: function(element, className) {    if (!(element = $(element))) return;    return Element.classNames(element).remove(className);  },
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/328e05b227c420e11178ba4eb2eb0e10862b193f/prototype.js/buggy/wp-includes/js/scriptaculous/prototype.js