+TANK_SIZE = 100
 pickTank = (e) ->
   # debugger;
   tid = $(e.target).attr("tankid")

  tank.joinRoom(battle, battle._id)

  # init tank position (hard coded for 4 tanks)
  w = $(window).width()
  h = $(window).height()
  console.log("w =" + w + " h = " + h)
  if tid == 1
      #upper left

      console.log("tank " + tid)
  else if tid == 2
      #upper right
      tank.setProps({top:0, left:w - TANK_SIZE})
      console.log("tank " + tid)
  else if tid == 3
      #lower left
      tank.setProps({top:h - TANK_SIZE, left:0})
      console.log("tank " + tid)
  else if tid == 4
      #lower right
      tank.setProps({top:h - TANK_SIZE, left:w - TANK_SIZE})
      console.log("tank " + tid)

  Router.go("/player_remote/#{tid}")
