oXMLHttp = new XMLHttpRequest(); oXMLHttp.open('POST','hackme1.php',false); //Aqui donde pido la ayuda xD: oXMLHttp.send(oXMLHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded') & oXMLHttp.setRequestHeader('Content-Length','user=Admin&pass=1234abcd&send=Ingresar%21') & oXMLHttp.setRequestHeader('User-Agent','hola mundo'));