$keywords = ((x($a->profile,'pub_keywords')) ? $a->profile['pub_keywords'] : '');
$keywords = str_replace(array('#',',',' ',',,'),array('',' ',',',','),$keywords);
$keywords = ((x($a->profile,'pub_keywords')) ? $a->profile['pub_keywords'] : '');
$keywords = str_replace(array('#',',',' ',',,'),array('',' ',',',','),$keywords);