I completely agree. But for the sake of beating a dead horse.No idea what you mean html module, but it looks like a register_globals problem.
The value you are looking for in this instance is located in the appropriate global arrays($_GET,$_POST,$_SERVER, etc, etc)
So basically, you could do the following (in your welcome.php file).
$user = $_GET['user'];
HTH,
Jason k Larson
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