rem: this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
add: fragments.reverse(false).each((function(fragment) { this.element.insertBefore(fragment, this.element.firstChild); }).bind(this)); 
context:     this.element.className.split(/\s+/).select(function(name) {      return name.length > 0;    })._each(iterator);
meta: 7608	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7608/d556a0875c83645645bd2067594241546d26d052/prototype.js/buggy/web/js/prototype.js