Thanks Rohit,
I tried the following with no results . The only difference was an empty text area tag .
<!DOCTYPE html>
<META http-equiv="X-UA-Compatible" content="IE=edge">
<embed type="text/html" src="http://myserver/XMII/Runner?Transaction=mytransaction&OutputParameter=Salida&XacuteLoginName=mylogin&
XacuteLoginPassword=mypassword&Content-Type=text/html">
Best regards, please help