If you are using Joomla 3.0 with the ISIS administrator template, and have installed some modules and themes like JA T3 Framework or GANTRY Framework, you might notice that radio switch buttons in your administration panel do not show their state.
Here is a screenshot of how settings “Hide / Show” buttons might show:
This can be fixed easily:
Edit the file:
Change the line (around 35) from:
Here is what you will have once you reload your admin page:
The issue resides in the method the function checks if a radio button is checked or not. This update is needed in Joomla ISIS template so that the “:checked” selector is used.