Hi, is it possible from a webserver to obtain the network id of a connected Blackberry device?

I want to access a 'secure' web page, ie one where because of the mobile (easy to steal) nature of a Blackberry I need to authenticate the user before displaying the page. However the user ids are very long and the page may be access quite often, so I dont want to ask the users to enter their id every time - just the password. So I thought it may be possible from the webserver to determine the user's network id?

Any ideas?

thanks.

Any ideas on this please?

I wouldn't really require it to be a secure page... just a way of validating which user is accessing via their PIN or possibly IMEI ?

how about BB security lock out?