Additional info:
On another client, the index.php screen has the following errors at the top.
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<b>Warning</b>: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in <b>\\nawinfs03\home\users\web\b1159\rh.jeantock\Gallery\install_gallery\global.php</b> on line <b>15</b><br />
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<b>Warning</b>: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in <b>\\nawinfs03\home\users\web\b1159\rh.jeantock\Gallery\install_gallery\global.php</b> on line <b>19</b><br />
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<b>Warning</b>: mysql_free_result(): supplied argument is not a valid MySQL result resource in <b>\\nawinfs03\home\users\web\b1159\rh.jeantock\Gallery\install_gallery\global.php</b> on line <b>22</b><br />