return ''; 
  serialize: function(element) {    element = $(element);    if (element.disabled) return '';    var method = element.tagName.toLowerCase();    var parameter = Form.Element.Serializers[method](element);    if (parameter) {      var key = encodeURIComponent(parameter[0]);      if (key.length == 0) return;      if (parameter[1].constructor != Array)        parameter[1] = [parameter[1]];      return parameter[1].map(function(value) {        return key + '=' + encodeURIComponent(value);      }).join('&');    }  },
742	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/742/53dfa93e53bccf5af1729cbdce88cb70e1ffcca5/prototype.js/clean/public/javascripts/prototype.js