this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
fragments.reverse(false).each((function(fragment) { this.element.insertBefore(fragment, this.element.firstChild); }).bind(this)); 
    this.element.className.split(/\s+/).select(function(name) {      return name.length > 0;    })._each(iterator);
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/e47dfd7529c730bdf42c17407d64892450c0dbee/prototype.js/clean/wp-includes/js/scriptaculous/prototype.js