Problem with show region in template header

The product prices are hidden on all pages of the site and the "view cart" is disabled until successfully logged in using the show region facility.

I've now added a quickcart to the header of the template to show on all pages. I'm trying to add the same show region rule for login to the quickcart but it is returning the following error

Fatal error: Call to undefined function WA_Auth_RulePasses() in C:\xampp\htdocs\tweedmill\index.php on line 248

Attached is the template page, updated with the code at beginning of head area (as other earlier post on administrtion page error). Also the index page with the error.

add the following code to line 1 of the index page:

<?php require_once( "webassist/security_assist/helper_php.php" ); ?>

Added the code at line 1 on the index page and before login the cart detail is hidden and after login the quickcart detail is displayed ok but as soon as logout is clicked the same error returns. See attachment.

If this problem can be resolved does the solution need to be added manually to each page.

that error message means that this line is missing from the page being displayed in the browser:
<?php require_once( "webassist/security_assist/helper_php.php" ); ?>

Sorry, the message I saw was obviously on the logout page not as I thought on the index page. I added the code to the logout page and it displayed correctly.

It looks as though I'll have to add the line of code manually to all the site's 46 pages (the detail, results and cart pages already have the line of code so they are ok). Also will the code need to be added manually to any further new pages created.

Is there a quicker way to do this?

the template should be updating the pages automatically, if it is not, you will need to update the pages with that line manually.

The template update is working on all the pages, I tested it with a temporary text change, but the update doesnt put a line of code from the top of the template into the updated pages. Should it do this?

yes it should, if it is not, you will need to update the pages with that line manually.

Tried copying the line of code from the top of the template page to the first line after the head area and it updates all the site pages succesfully and the show region area now works on all the pages. Many thanks.