Integrate extension

[lator]

Internet Download Manager
http://www.internetdownloadmanager.com/
The program does not need the offered extension.
Can most it would be worth thinking before giving the sentence? Why to add to a slow download manager still extension. Do not use the built-in download manager. Now it is clear?

As I said in my first post this extension, despite the name, is a download status bar and not a download manager as Internet Download Manager
Sorry if my first answer was aggressive