rem: this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
add: for (var i = 0; i < this.length; i++) iterator(this[i]); 
context:   _each: function(iterator) {    this.element.className.split(/\s+/).select(function(name) {      return name.length > 0;    })._each(iterator);  },
meta: 3991	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3991/57687341792749db94b850962ee7ed7f18e1087d/prototype.js/clean/manager/media/script/scriptaculous/prototype.js