.getElementById("reset").disabled = true;
    var i = 1, step; n = 1;
    while (step = document.getElementById("Step"+i)) {step.style.visibility = "hidden"; i++}
  }
})();
</script>

<style>
/*
 *  Start with the steps being hidden
 */
#Step1, #Step2, #Step3, #Step4, #Step5 {
  visibility: hidden;
}

h1 {
  background: #CCCCCC;
  padding: .2em 1em;
  border-top: 3px solid #666666;
  border-bottom: 3px solid #999999;
}
</style>

</head>
<body>

<h1>Dynamic Equations in MathJax</h1>

<blockquote>
<p>
Expand 