don't show error messages. how?

hello everybody,

i'm creating a little login screen to connect from PHP to postgresel
7.2 with adodb. the key part it looks like this:

    include_once('adodb/adodb.inc.php');
    $c=ADONewConnection('postgres7');
    if ($c->PConnect('myserver',$id,$pwd,'mydb')) {
        youreCool();
    } else {
        tryAgain();
    }

this works OK, only when login fails (incorrect user ID, password), i
just want tryAgain() to run, without any errormessages. that's the
problem, PConnect() will give an errormessage if it fails, it generates
html like

    your connection has failed blah blah
    user ID  ___________
    password ___________

how can i suppress the message? with adodb? from within PHP?

TIA for any pointers / help

--
Jules Alberts