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copied!<p>Based on your code, I would add a wrapper around the check-box you want to select all/none and then give the wrapper id and inputs to select all or none.</p> <p><code>$('#list input[type="checkbox"]').attr('checked', false);</code></p> <p>or for jQuery 1.6+</p> <p><code>$('#list input[type="checkbox"]').prop('checked', false);</code></p> <p>This way, you can control all your checkboxes without affecting the "master" one.</p> <p>Here's the code:</p> <pre><code><script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script> <script type="text/javascript"> $(document).ready(function() { $('#checkAll').click(function() { if(!$('#master').is(':checked')) { return; } $('#list input[type="checkbox"]').attr('checked', true); }); $('#checkNone').click(function() { $('#list input[type="checkbox"]').attr('checked', false); }); $('#master').click(function() { if($('#master').is(':checked')) { return; } $('#list input[type="checkbox"]').attr('checked', false); }); $('#list input[type="checkbox"]').click(function() { if(!$('#master').is(':checked')) { $(this).attr('checked', false); } }); }); </script> </head> <input type="checkbox" value="master" id="master">master <span id="checkAll">All</span> <span id="checkNone">None</span> <div id="list"> <input type="checkbox" value="1">1 <input type="checkbox" value="2">2 <input type="checkbox" value="3">3 <input type="checkbox" value="4">4 <input type="checkbox" value="5">5 </div> </code></pre>

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