rem: }.extend(arguments[1] || {}); 
add: }, arguments[1] || {}); 
context:   serialize: function(element) {    var element = $(element);    var sortableOptions = this.options(element);    var options = {      tag:  sortableOptions.tag,      only: sortableOptions.only,      name: element.id    }.extend(arguments[1] || {});        var items = $(element).childNodes;    var queryComponents = new Array();     for(var i=0; i<items.length; i++)      if(items[i].tagName && items[i].tagName==options.tag.toUpperCase() &&        (!options.only || (Element.Class.has(items[i], options.only))))        queryComponents.push(          encodeURIComponent(options.name) + "[]=" +           encodeURIComponent(items[i].id.split("_")[1]));    return queryComponents.join("&");  }
meta: 1675	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1675/16669774903dd7bfaaf1bf8f0c72e49ebaeffeeb/dragdrop.js/buggy/railties/html/javascripts/dragdrop.js