.db_escape($_POST['contact']). ", "
.db_escape($_POST['supp_account_no']). ", "
.db_escape($_POST['bank_account']). ", "
- .db_escape($_POST['credit_limit']). ", "
+ .input_num('credit_limit',0). ", "
.db_escape($_POST['dimension_id']). ", "
.db_escape($_POST['dimension2_id']). ", "
.db_escape($_POST['curr_code']). ", "