title: Checkbox, unselect and select
body: <p>What I want is when checkbox1 is selected both checkbox labelled 1 will get selected and background will be removed</p>
  
  <p><a href="http://jsfiddle.net/rigids/D2vCf/" rel="nofollow">here is the fiddle</a></p>
  
  <p>for eg if i select checkbox1 it should select both checkbox labelled checkbox1</p>