Wordpress injection plugin

Some time we need to inject any code in footer or header of our wordpress blog to enhance functionality. Sundered procedure of code injection is we manually edit file. Here is WordPress plugin to inject code in footer or header instead of manual editing.
HiFi WordPress plugin that allows you to inject <scrip>, <style>, <meta> and any other code you want into the head and foot areas of your posts and pages. The code injected is page-specific, this means that only the pages you want code inserted into will be affected.

You can get this plugin from here