need help with website

[joodje]

ok i posted my error here before but i fixed the most .. i only have got 1 error on startup and on info .

this is the 1 at startup :
Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in D:\xampplite\xampplite\htdocs\index.php on line 3

These are the errors at info:
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in D:\xampplite\xampplite\htdocs\modules\info.php on line 18

can any1 tell me how to fix it ?

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in D:\xampplite\xampplite\htdocs\modules\info.php on line 26

 

[lCON]

regis ter.php clearly looks like the link to the page is wrong.