fix post address lock to fix address

change submit 3 to submit_get_json
change submit4 to submit_post_json
found and fix bug that post_json is fix to an address, so changed to
post to a dymanic address
Merge remote-tracking branch 'origin/master'

Conflicts:
	main.php
Merge branch 'master' of https://github.com/sravi7/AWS-Post