/**
 * Cancel a game signup.
 *
 * @param gameId  Id of game to cancel signup for.
 *
 * @public
 */
function cancelSignup(gameId)
{
   var ans = confirm('Are you sure you want to cancel your spot on the roster?');

   if (ans)
   {
      document.location = '/roster/cancel/id/' + gameId + '/';
   } // if
} // cancelSignup