Joomla/PHP alternative page to load content getting "restricted access"

I'm trying to get links from articles on my Joomla site to popup in a new window. This part I've done with a POPUP.PHP class.

I can call the page thus:

<a title="The 1980s" class="popup" href="">1980</a>

The above will successfully pop up the window that I want, showing the article that I am targeting, but it inherits all of the site template, including the menu system. I want to have a cleaner look for the popups, so I copied the index.php file out under a new name, cleanscreen.php and removed some of the module calls.

Therefore, I try calling my slightly modified php file as follows:

<a title="The 1980s" class="popup" href="">1980</a>

No joy, I get a 404 file not found. So, I include the full path thusly:

<a title="The 1980s" class="popup" href="">1980</a>

Now, I get a "Restricted access" message instead.

I've checked the file access rights on the server and put them to 644 the same as the index.php script.

My question is two-fold.

1. Where do I tell the application to find my alternative php script (cleanscreen.php) without having to hard code the path?

2. How do I resolve the Restricted access error and have the page display?

Thanks for any assistance!
Who is Participating?
Jernej NavotnikConnect With a Mentor PHP/Phyton DeveloperCommented:

Just a quick suggestion:
You could try to open the first link like this:
<a title="The 1980s" class="popup" href="">1980</a>
Notice the >&component< added to the end of the link.

Or, you could try to open the link using index2.php.
This resolves your problem with displaying only the component, without the css and the menu.
And afterwards resolves the restricted access issue.

Best regards, Jernej
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