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<!-- JavaScript setting start-->
<script>
    // Entry every filtering class below.
    var $chkbxFilter_tags =['living','legs','black']; 

    // Entry the block element that will be filtered below.
    var $chkbxFilter_blocks = ['section']   
</script>
<!-- JavaScript setting end -->

<h1>Filtering the block elements by checkboxes</h1>

<!-- checkbox start -->
<div id="select">
    
    <!-- show all -->
    <label class="selected"><input type="radio" id="all" checked="checked">ALL</label>

    <!-- Set the filtering class as id="foo" -->
    <label><input type="checkbox" id="living" class="sort">living</label>
    <label><input type="checkbox" id="legs" class="sort">has legs</label>
    <label><input type="checkbox" id="black" class="sort">black</label>

</div>
<!-- checkbox end -->


<!-- filtered start -->
<div id="result">
    
    <!-- Set the filtering class as class="foo" -->

    <section class="living">
        <p>SNAKE -- class="living"</p>
    </section>

    <section class="legs">
        <p>CHAIR -- class="legs"</p>
    </section>

    <section class="black">
        <p>CHARCOAL -- class="black"</p>
    </section>

    <section class="living legs">
        <p>SQUIRREL -- class="living legs"</p>
    </section>

    <section class="living black">
        <p>SEA URCHIN -- class="living black"</p>
    </section>

    <section class="legs black">
        <p>PIANO -- class="legs black"</p>
    </section>

    <section class="living legs black">
        <p>GNU -- class="living legs black"</p>
    </section>

    <section class="white">
        <p>PAPER -- class="white"</p>
    </section>

</div>
<!-- filtered end -->

$(function (){
    var $chkbxFilter_all = $('#all');

    //When you click "ALL", the other checkboxes turn off.
    $chkbxFilter_all.click(function() {
		  $(".sort").prop('checked',false);
		  $chkbxFilter_all.prop('checked',true);
    });
    
    //The action when the checkboxes is clicked. 
    $("#select label input").click(function() {
        
        $(this).parent().toggleClass("selected");
        
        $.each($chkbxFilter_tags, function() {
            if($('#' + this).is(':checked')) {
                         $("#result " + $chkbxFilter_blocks + ":not(." + this + ")").addClass('hidden-not-' + this);
                         $chkbxFilter_all.prop('checked',false).parent().removeClass("selected");
                }
            else if($('#' + this).not(':checked')) {
                         $("#result " + $chkbxFilter_blocks + ":not(." + this + ")").removeClass('hidden-not-' + this);
                }
        });
        
        //If all checkboxes is not selected, add class="selected" to "ALL".
        if ($('.sort:checked').length == 0 ){
            $chkbxFilter_all.prop('checked',true).parent().addClass("selected");
            $(".sort").parent().removeClass("selected");
        };
	});     
});

/* ---------- required CSS start ------------ */

#result [class*="hidden-"] {display: none;}

/* ---------- required CSS end ------------ */


/* option */
body{font-size: 12px;}
#select {margin-bottom: 1em;}
#result section{border: 1px solid #888; padding: 5px;}
#result section p{margin: 0px;}

#select label.selected {background-color: #fcc;} /* selected */