do you allow remote MySQL access, ie. from another server?
also you're getting an error message on the main site:
jtablesession::Store Failed
DB function failed with error number 1062
Duplicate entry 'kas9j5qjo3oeiu6uoee9g76uc1' for key 1 SQL=INSERT INTO `hh_session` ( `session_id`,`time`,`username`,`gid`,`guest`,`client_id` ) VALUES ( 'kas9j5qjo3oeiu6uoee9g76uc1','1316246435','','0','1','0' )