Birdman - 8:24 pm on Feb 2, 2008 (gmt 0)

I would store the number in a file.

something like this:

if ( isset( $_POST['some form variable here'] ) ) {

$current_count = file_get_contents( 'count.txt' );
$current_count++;
$handle = fopen( 'count.txt', 'w' );
fwrite( $current_count, $handle );
fclose( $handle );

}