HTML that opens SMS dialogue

Avg Bid (USD)
Project Budget (USD)
$10 - $30

Project Description:
I want a simple 1 page web page, that will:
a) Detect if the visitor is using a mobile device
b) If yes, a button will be displayed. When clicking on the button, it will automatically open an SMS dialogue on the visitor's phone.
The dialogue should auto-populate the recepient phone number, and the SMS body, that is predefined.

Additional Project Description:
11/14/2013 at 12:16 MYT
It should at least work on iPhone and Android devices.

Skills required:
Graphic Design, HTML, PHP, Website Design
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