rem: this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
add: $A(element.childNodes).each(function(node){ element.removeChild(node) }); 
context:     this.element.className.split(/\s+/).select(function(name) {      return name.length > 0;    })._each(iterator);
meta: 1206	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1206/81ea0800bc8ad92d491743716cd489cad7333723/prototype.js/clean/vendor/rails/actionpack/lib/action_view/helpers/javascripts/prototype.js