Jquery checkbox
<pre><code>&lt;input type="checkbox" name="checkGroup" id="all" value="0" &gt;All
&lt;input type="checkbox" name="checkGroup" id="one" value="1"&gt;One
&lt;input type="checkbox" name="checkGroup" id="two" value="2"&gt;Two
&lt;input type="checkbox" name="checkGroup" id="three" value="3"&gt;three
</code></pre>

<p>My requirement is </p>

<ol>
<li>when check All it should check One , Two, Three also.</li>
<li>When i uncheck All it should uncheck One , Two, Three also</li>
<li>When all check boxes check and uncheck either one , two , three in that case "All" check box should uncheck.</li>
<li>check / uncheck should ne toggling</li>
</ol>

<p>Please help</p>
