<!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.lineWidth = 4;

context.lineWidth = 3;

context.strokeStyle = '#000000';
context.strokeRect(138, 98, 136, 67);

context.strokeStyle = '#000000';
context.strokeRect(156, 69, 36, 21);

context.strokeStyle = '#000000';
context.strokeRect(156, 172, 39, 22);

context.strokeStyle = '#000000';
context.strokeRect(282, 115, 23, 33);

context.strokeStyle = '#000000';
context.strokeRect(105, 116, 25, 33);

context.strokeStyle = '#000000';
context.strokeRect(222, 172, 37, 22);

context.strokeStyle = '#000000';
context.strokeRect(222, 69, 37, 20);
</script>
</body>
</html>