(function(){
	var box;
	var ctx;

	function initCanvas(){
		box = document.getElementById('myCanvas');
		ctx = box.getContext('2d');
		initDraw();
	}
	function initDraw(){
		var posX = 0;
		var posY = 0;
		setInterval(function(){

		},100);
	}

	window.onload = initCanvas;

})();

@@ -227,15 +227,145 @@
 ()%7B%0A
-%0A%09%09%7D,10
+%09%09%09posX += 1;%0A%09%09%09posY += 1;%0A%0A%09%09%09ctx.clearRect(0,0,box.width,box.height);%0A%09%09%09ctx.fillStyle = 'green';%0A%09%09%09ctx.fillRect(posX,0,60,50);%0A%09%09%7D,5
 0);%0A

Add green square animation