how can i call javascript function with out internet connection?

first, allow the folder that contains your flash files to connect to the internet by adjusting your security settings:

http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04a.html

then try the following in a swf and open the published html in your browser to test:

import flash.external.ExternalInterface
ExternalInterface.call("function(){alert('test');}")