Sencha Touch won't 'see' third-party JavaScripts once the system has been compiled into production and deployed remotely.

As a result, any third-party JavaScripts become useless and any part of the system that relies on them will cease to function.

During development, they work fine.

This thread (original post) sums it up nicely: http://www.sencha.com/forum/showthre...vascript-files