Log in / Product Review

[tondaben]

When I go to log in, or write a product review on my site I get this

 

sign in

 

Warning: Cannot add header information - headers already sent by (output started at /home/www/bellavinos/catalog/includes/application_top.php:310) in /home/www/bellavinos/catalog/login.php on line 62

 

product review

 

Warning: Cannot add header information - headers already sent by (output started at /home/www/bellavinos/catalog/includes/application_top.php:310) in /home/www/bellavinos/catalog/product_reviews_write.php on line 14

 

Any idea what has happened?

 

Thank you.

 

Tonya McArhtur