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<!DOCTYPE html>
<html>
<head>
<title>MathJax Test Page</title>
<!-- Copyright (c) 2010 Design Science, Inc. -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<style>
body {
	background-color:#99c;
}
#page {
	margin: 0.5em;
	padding: 0.5em;
	min-width: 23em;
	width:50%;
	margin: auto;
	background-color:#668;
}
#block, #inline, #input {
	margin: 0.5em;
	padding: 0.5em;
	text-align:justify;
	background-color:#fff;	
}
textarea {
	width: 100%;
	height: auto;
	border : 0px white solid;

}
</style>


<script src="http://cdn.mathjax.org/mathjax/latest/MathJax.js">
MathJax.Hub.Config({
	extensions: ["tex2jax.js"],
	jax: ["input/TeX","output/SVG"],
	tex2jax: {
		inlineMath: [["\\(","\\)"]],
		displayMath: [["\\[","\\]"]],
	}
});
</script>

</head>
<body>

<script>
  //
  //  Use a closure to hide the local variables from the
  //  global namespace
  //
(function () {
    var mathinline = null;
    var mathblock = null;

    //
    //  Get the element jax when MathJax has produced it.
    //
    MathJax.Hub.queue.Push(function () {
      mathinline = MathJax.Hub.getAllJax("MathInline")[0];
      mathblock = MathJax.Hub.getAllJax("MathBlock")[0];
    });

    //
    //  The onchange event handler that typesets the
    //  math entered by the user
    //
	window.UpdateMath = function (value) {
		MathJax.Hub.queue.Push(["Text",mathinline,value]);
		MathJax.Hub.queue.Push(["Text",mathblock,value]);
	}
	
	window.do_keydown = function (event, value) {
		var code = (event.keyCode ? event.keyCode : event.which);
		if (code == 13 || event.shiftKey === true || code == 32) {
			window.UpdateMath(value);
		}
	}
})();
</script>
<div id="page">
	<div id="input">
		<!-- \nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t}  = \frac{4\pi}{c}\vec{\mathbf{\jmath}} -->
		<textarea id="MathInput" rows="5" cols="30" onblur="UpdateMath(this.value)" onkeydown="do_keydown(event, this.value)" >\sum _{ i = 0 } ^{\infty} \frac {1} {n^2} = \frac {\pi^2} {6}</textarea>
	</div>
<div id="inline">
<p id="MathInline">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex \({}\) ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
<div id="block">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </p>
<p id="MathBlock">\[{}\]</p>
<p>Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
</div>
</div>
<script>
window.UpdateMath(window.document.getElementById("MathInput").value)
</script>
</body>
</html>

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