this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
$A(element.childNodes).each(function(node){ element.removeChild(node) }); 
    this.element.className.split(/\s+/).select(function(name) {      return name.length > 0;    })._each(iterator);
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/328e05b227c420e11178ba4eb2eb0e10862b193f/prototype.js/buggy/wp-includes/js/scriptaculous/prototype.js