I assume that you're building a plugin?
In that case you'll need to add an web-item to your plugin
In regards of the possible locations to extend with your plugin:
I'm more then happy to give you pointers and help you if you're stuck in the process, but I'm not going to build a complete sollution or plugin for you.
You would have to develop the plugin yourself or get an Atlassian Expert involved (http://www.atlassian.com/resources/experts).
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