film script writing (available variety of format and software)

I was ignorant about the modern scenario of film script writing in the industry, and there was still the chance! if, there would not have been a need for me to read how people go about writing scripts for film and TV.
During my internet search, I came across something called movie script writing software. I don't know how it works but there is a variety of software available.
may be they help you to draft and format your script according to industry norms, I shall find out more after using a demo version.

till then you can directly visit links given here:
http://www.finaldraft.com/
http://www.screenplay.com/



http://www.scriptware.com/