Mysterious warning error

[lunasif47]

My sites been throwing up nothing but warnings since sometime last night, so I'm a bit worried. Is the stoli server being worked on again? Or is it some strange site coding problem? I havent worked on the coding for a while so I didnt think it was likely to be that. Heres what its saying on every page. I'm in a bit of a dense mood at the moment from being tired and starving, so I'm hoping its something obvious that I've missed. >.<'

Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 799

Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 134

Warning: Cannot modify header information - headers already sent by (output started at /home/ruinily/public_html/inc/functions.php:799) in /home/ruinily/public_html/inc/functions.php on line 145

Warning: Cannot modify header information - headers already sent by (output started at /home/ruinily/public_html/inc/functions.php:799) in /home/ruinily/public_html/inc/functions.php on line 149

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/ruinily/public_html/inc/functions.php:799) in /home/ruinily/public_html/inc/functions.php on line 21

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/ruinily/public_html/inc/functions.php:799) in /home/ruinily/public_html/inc/functions.php on line 21

Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 37

Warning: mysql_numrows() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 200

Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 256

Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /home/ruinily/public_html/inc/functions.php on line 258

Warning: file_get_contents(templates//template.html) [function.file-get-contents]: failed to open stream: No such file or directory in /home/ruinily/public_html/inc/functions.php on line 833

EDIT: Oh, nevermind its backup now, though it was down for a whole day which was worrying I'm glad its back. ^_^