Thanks. I tried is_null first, but it didn't work. I thought that might have had something to do with the variable $http_post_vars be set to something when received. But I wasn't really sure. Maybe I confused myself. I will try it again. Any other suggestions? Santilal -----Original Message----- From: thelist-bounces at lists.evolt.org [mailto:thelist-bounces at lists.evolt.org]On Behalf Of Lee Kowalkowski Sent: Wednesday, 25 April 2007 11:05 p.m. To: thelist at lists.evolt.org Subject: Re: [thelist] Null entry in form > isset would be true, as $score1 would be *set* to *null*, use isnull. ...which has an underscore in it somewhere between "is" and "null". -- Lee -- * * Please support the community that supports you. * * http://evolt.org/help_support_evolt/ For unsubscribe and other options, including the Tip Harvester and archives of thelist go to: http://lists.evolt.org Workers of the Web, evolt !