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);  },
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/15b6168787a6a25fd1fbbc41a3a5227b899071a9/prototype.js/clean/wp-includes/js/prototype.js