Drupal 7

Some of our themes might not support Drupal overlay module. This is because these themes comes with latest stable version of jQuery.

If you check the error using inspect element of browser, you will find following error message.

TypeError: jQuery.browser is undefined

The overlay module do not work with jQuery version 1.9 and later. It's because $.browser is deprecated in jQuery 1.9 and overlay module need this to work. So, its good to disable overlay module from:

I have seen many people do not want to show breadcrumb links on their Drupal website. The default Drupal 7 theme Bartik do not have option to show / hide this breadcrumb links.

If you want to remove breadcrumb links from Bartik theme, follow these steps:

Step 1:

Open following file in any text editor of bartik theme.

/templates/page.tpl.php

Step 2:

Find and delete following codes: