Ya, partial work.
Partial... but WORK! NAAjax2 js library is good now.
The way of finish. Work partially
Ya, work partial.
mm.. Work partially..  But need a lot refactoring
Yaa. work... partially
Yaa, Im walking a good way, I think.
Yaa, Work... Next thing is about sign_in_gate.erb
Ya, Work well partially
WORK!! good! (but need refactor)