;
        	}
        	
        </style>
    </head>
    
    <body>
		<canvas id="canvas" oncontextmenu="return false"></canvas>
		<canvas id="canvas2"></canvas>
		<input type="file" id="file" />
		<script type="text/javascript">
			
			// Constants
			var WIDTH = window.innerWidth;
			var HEIGHT = window.innerHeight;
			var SCROLL_RANGE = 20;
			var SCALE_FACTOR = 4;
			var FIELD_SIZE = 16 * SCALE_FACTOR;
			var UNIT_RADIUS = 1 / 2.4;
			var UNIT_WIDTH = UNIT_RADIUS * 2;
			var SCROLL_SPEED = 1000; 				// 