can anyone tell me how to create a toggle button which can enable or disable the form?

Answer 1

you can put two buttons and disable one of both:

http://immar.esy.es/cvs/MADS/index.php

Answer 2

press the POST button and you will select this option, you can watch all the code if you press f12 key

Answer 3

http://immar.esy.es/cvs/MADS/