Обществознание для углубленного изучения

[Error] 
Call to undefined function mysql_connect() (0)
/disk/www/cms01/il/education/db_dpo.php:6
#0: include
	/disk/www/cms01/il/education/_programs_funct.php:8
#1: program(integer)
	/disk/www/cms01/il/education/program/course/social.php:20