<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Your Canvas</title>
<style type="text/css"><!--
#container { position: relative; }
#imageTemp { position: absolute; top: 1px; left: 1px; }
--></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.beginPath();
context.moveTo(350, 257);
context.lineTo(350, 257);
context.stroke();
context.strokeStyle = '#000000';
context.beginPath();
context.moveTo(347, 235);
context.lineTo(347, 235);
context.stroke();
context.strokeStyle = '#000000';
context.beginPath();
context.moveTo(371, 247);
context.lineTo(371, 247);
context.stroke();
</script>
</body>
</html>