google map help

[chandler]

Hi hope some one can help me, this is what I have so far,  thanks to a tut  I found.

 

http://cardiffcabs.site11.com/test.html

 

once a start and end point are entered google returns the mileage I need to add a price per mile and maybe a few other extras waiting time etc. and then display the quote to the user.

 

something like this http://www.13cabs.com.au/?ca=website.fare_estimate

 

Many thanks for your help

 

ps. I am a noob step by step instructions would be help me a lot  thanks