rem: encodeURIComponent(item.id.split("_")[1])); 
add: encodeURIComponent(item.id.match(options.format) ? item.id.match(options.format)[1] : '')); 
context:   serialize: function(element) {    element = $(element);    var sortableOptions = this.options(element);    var options = Object.extend({      tag:  sortableOptions.tag,      only: sortableOptions.only,      name: element.id    }, arguments[1] || {});    return $A(element.childNodes).collect( function(item) {       return (encodeURIComponent(options.name) + "[]=" +               encodeURIComponent(item.id.split("_")[1]));    }).join("&");  }
meta: 3768	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3768/7d101d58400acaff232091485c8e140f0a37cbaf/dragdrop.js/buggy/actionpack/lib/action_view/helpers/javascripts/dragdrop.js