<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Your Canvas</title>

<style type="text/css"></style>

</head>
<body>
<canvas id="imageView" width="600" height="500"></canvas>

<script type="text/javascript">
var canvas, context, canvaso, contexto;
canvaso = document.getElementById('imageView');
context = canvaso.getContext('2d');
context.lineWidth = 5;

context.strokeStyle = '#000000';
context.strokeRect(23, 21, 543, 454);

context.lineWidth = 4;

context.lineWidth = 3;

context.lineWidth = 4;

context.lineWidth = 5;

context.strokeStyle = '#000000';
context.strokeRect(44, 54, 490, 405);

context.strokeStyle = '#000000';
context.strokeRect(66, 76, 417, 371);

context.strokeStyle = '#000000';
context.strokeRect(86, 96, 319, 287);

context.strokeStyle = '#000000';
context.strokeRect(107, 118, 291, 254);

context.strokeStyle = '#000000';
context.strokeRect(127, 134, 231, 227);

context.strokeStyle = '#000000';
context.strokeRect(147, 151, 195, 141);

context.strokeStyle = '#000000';
context.strokeRect(203, 164, 120, 106);

context.strokeStyle = '#000000';
context.strokeRect(228, 179, 81, 60);

context.strokeStyle = '#000000';
context.strokeRect(248, 192, 43, 30);
</script>
</body>
</html>