how to display Count down clock?
<p>In my application one option is there which is used to select the application trigger time that is implemented in RadioButtons like : 10 mins, 20Mins, 30mins and 60mins 
after selecting one of them the application starts at that time.. up to this working fine.
But, now I want to display a count down clock after selecting one option from above from that time onwords one clock, I want to display</p>

<p>That will useful to user how much time remaining to trigger the application</p>

<p>if any body knows about this please try to help me</p>

<p>Thanks for reading</p>
