CMS Made Simple Forums

i have simple page mada with cms ms. I am using few additional modules. Products and prerequisites for it.

I need a fast way to show items list from only one category. I want to select category from menu on sidebar. I have simple links there. I want to change category with simple javascript function that will assign correct category for the products to be shown on main page.

On "contents" i have only {Products category='cat'}.

I want to change that variable in script.

But in console from firefox developer tools i got error message that my script isn't found. Where is the bes way to insert my scripts and link them. Or maybe someone have simpler solution to my problem.

I don't know products module, but:

First of all it's hard for me to understand what's going wrong as you didn't provide a link to the website/page.

You can include Javascript in several ways:
- in page template
- in page specific metadata
- even in page content (wouldn't recommend it)
- in Global Content Block that is included in page/page template

For options above:
As Smarty uses the curly brackets {} for its tags make sure you don't break it with your Javascript code; use {literal}{/literal} around your javascript code OR make sure all curly brackets in your JAVASCRIPT are surrounded by a white space.

- as a link to a .js file

That said, note that you can NOT use a javascript (client side) to change a Smarty variable (server side) after the page has been loaded.
That means you have to pass a variable via JS to the webserver via a new page request. YOUR template should read the variable and use that for the call of {Products}. If you don't want page reloads you should use ajax for it.

You can also load ALL categories and it's products in one page and use JS to hide/show the right category (not efficient if you have many categories/products).

Or look for a template to show only a list of categories and use that to provide links to the right category.