Linea21

HTML part :

<input type="checkbox" class="todoGA">
<input type="checkbox" class="todoGA">
<input type="checkbox" class="todoGB">
<input type="checkbox" class="todoGA">
<input type="checkbox" class="todoGB">
<input type="checkbox" class="todoGA">

<br><br>

Themes A : <input type="checkbox" id="todoSelectAll">
Themes B : <input type="checkbox" id="todoSelectB">

jQuery part :

$('#todoSelectAll').on('click', function() {
    $('.todoGA').attr('checked', $(this).is(':checked'));
});
$('#todoSelectB').on('click', function() {
    $('.todoGB').attr('checked', $(this).is(':checked'));
});

See also :

http://damirfoy.com/iCheck/
https://github.com/damirfoy/iCheck/