retain radio button value on page refresh
<p>I know there are similar posts on this topic but i didn't find my answer from there.</p>

<p>An online MCQ  exam test. Number of  questions in the page is variable. 
4 options for every MCQ(multiple choice question).</p>

<pre><code>&lt;input type="radio"  name="my"  value="1"/&gt;

&lt;input type="radio"  name="my"  value="2"/&gt;

&lt;input type="radio"  name="my" value="3"/&gt;

&lt;input type="radio"  name="my" value="4"/&gt;
</code></pre>

<p>Examniee has to select one for each question. On page refresh, deselection takes place. How to retain the checked values on refresh - javascript, jquery or what? Details necessary.
Scripting language is php.</p>
