How can I make my website to use native GPS or Google Maps for directions on a mobile phone?

Hi



I have a website that is optimized for mobile.



Now I would like to have a function/feature that can use the phone's GPS or google maps and give directions to my business place from the users current location.



Other thing is: when users go to contact page, they will see some phone numbers. When user touches a phone number I want the phone dialer to open with the number, %26amp; ready to be dialed.



Can some one give me suggestions or references...



TYI.How can I make my website to use native GPS or Google Maps for directions on a mobile phone?
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