Warning: mysql_connect() [function.mysql-connect]: [2002] No such file or directory (trying to connect via unix:///tmp/mysql.sock) in /data/web/virtuals/16490/virtual/www/domains/poptavkajesenik.cz/reg_4/db.php on line 9

Warning: mysql_connect() [function.mysql-connect]: No such file or directory in /data/web/virtuals/16490/virtual/www/domains/poptavkajesenik.cz/reg_4/db.php on line 9
I cannot connect