This is a simple example usage of the jqPlot jQuery plugin. The example on the author website omits the “, {}” options in the .jqplot function call.
<html>
<head>
<script type="text/javascript" src="./scripts/jquery-ui/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="./scripts/jqplot/jquery.jqplot.min.js"></script>
<link rel="stylesheet" href="./scripts/jqplot/jquery.jqplot.min.css" type="text/css" media="all" />
<!--[if IE]><script language="javascript" type="text/javascript" src="./scripts/jqplot/excanvas.js"></script><![endif]-->
<script>
$(document).ready(function() {
$.jqplot.config.enablePlugins = true;
alert('1');
$.jqplot('chartdiv', [[[1, 2],[3,5.12],[5,13.1],[7,33.6],[9,85.9],[11,219.9]]], {});
});
</script>
</head>
<body>
<div id="chartdiv" style="height:400px;width:300px;"></div>
</body>
</html>

