title: iphone:how to add colon(:) in number pad(numeric keyboard)?
body: <p>I want to add time in my textfield and for that as per client's  requirement I take a numberpad(numeric keyboard) but in number pad there is no option for colon(:) and to show the time in min:sec colon(:) is required.</p>
  
  <p>then how can I add colon in number pad?</p>
  
  <p>Do you have any idea?</p>