Nothing works from item page

Hello.

When on an item page, if I click add to cart, tell a friend, or write a review, it goes to a blank page.

The server does not seem to be working correctly.

I add the add to cart button so it would show up twice and it worked after that.

Here is a link to the page with the problem
http://www.esystemsales.com/phone_systems/index.php?main_page=product_info&cPath=14_82&products_id=103

Thanx for the help

Check your /logs folder for error messages.

[21-Jul-2014 21:52:44] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/esystem/public_html/phone_systems/index.php:1) in /home/esystem/public_html/phone_systems/includes/init_includes/init_templates.php on line 78

[21-Jul-2014 22:45:29] PHP Warning: session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cache limiter - headers already sent
(output started at /home/esystem/public_html/phone_systems/index.php:1) in /home/esystem/public_html/phone_systems/includes/functions/sessions.php on line 114

[21-Jul-2014 22:45:29] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/esystem/public_html/phone_systems/index.php:1)
in /home/esystem/public_html/phone_systems/includes/init_includes/init_templates.php on line 78

[21-Jul-2014 22:45:29] PHP Warning: Cannot modify header information - headers already sent
by (output started at /home/esystem/public_html/phone_systems/index.php:1) in /home/esystem/public_html/phone_systems/includes/functions/functions_general.php on line 45

Start here:

http://www.zen-cart.com/content.php?129-warning-headers-already-sent

Got it!

What I did was restore the index.php file from a back up.

The link you sent me was very helpful in my decision to restore the file. It was kind of a no brainer.

Thank God for Back Ups!

I will Donate.

Thanx Steve.