anchor.diff:  				var currentMove = null;
   				var moveTo = function(direction) {
   					currentMove = direction;
  +					$('.pad').removeClass('pressed');
  +					$('.pad.'+direction).addClass('pressed');
   					console.log('moving towards ' + direction);
   				}
   				var stop = function() {
   					currentMove = null;
  +					$('.pad').removeClass('pressed');
   					console.log('stopping');
   				}
   				var arrowDown = function(direction) {
  
positive.code: 			<div class="unit1of2 joystick center">
  				<h2>Tell me where to go !</h2>
  				<div class="unit1of1 center">
  					<div id="top" class="pad top" data-direction="up">
  						<span>UP</span>
  					</div>
  				</div>
  
negative.code: 				line-height: 80px;
  				display: inline-block;
  			}
  			.pad.pressed {
  				background-color: red;
  			}
  		</style>
  		
  	</head>
  