Page Module, categories not selected on clicking on Select All

[openrijal]

Location: /awecms/admin/page/create

Selecting all categories, doesn't check all the other category lists, while the same in front end does.

opening up firebug shows 3 errors

An unsupported character encoding was declared for the HTML document using a meta tag. The declaration was ignored.

An unsupported character encoding was declared for the HTML document using a meta tag. The declaration was ignored.
http://localhost/awecms/admin/page/create
Line 4

SyntaxError: missing ; before statement
http://localhost/awecms/assets/5cc2c56f/js/redactor.js
Line 3399

TypeError: jQuery("#Page_content").redactor is not a function
http://localhost/awecms/admin/page/create
Line 196