[imp] Navigation has 2 seconds wait between pages

[Josep Cols]

Hello:

Using IMP and from the point of view of the final user, they are a 2 
seconds wait time between pages:
-- 2 seconds between login and portal page
-- 2 seconds between portal page and INBOX page
-- Clicking on a message, 2 seconds before the message is displayed.
-- etc.

This time is a 'fixed time' and does not depends on the number of 
folders, the messages in a folder, the size of a message, etc.

Is this the normal behaviour or they are something wrong in my installation?

Thanks in advance