$("#piyo").click(function() { $(".list").each(function() { this.disabled = !this.disabled; }); });
div{margin:50px;}
<div> <label><input type="checkbox" id="piyo">All disable</label><br> <label><input type="checkbox" class="list" value="1">foo</label> <label><input type="checkbox" class="list" value="2">bar</label> <label><input type="checkbox" class="list" value="3">hoge</label> <label><input type="checkbox" class="list" value="4">huga</label> </div>