add: contentType:  'application/x-www-form-urlencoded', 
context:   setOptions: function(options) {    this.options = {      method:       'post',      asynchronous: true,      parameters:   ''    }    Object.extend(this.options, options || {});  },
meta: 1782	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1782/a458ebb30ee90b66048c7fd858f5f39957a9be68/prototype.js/clean/webapp/sandbox/scripts/prototype.js