title: MVC3 unobtrusive validation group of inputs
body: <p>I need to validate 3 or more input fields (required at lest one). For example I have Email, Fax, Phone.</p>
  
  <p>I require at least ONE to be filled in. I need both server and client 'unobtrusive validation'. please help. I looked into "Compare" method and tried modifying it but no luck. please help.
  thanks</p>