<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
$(function() {
$('button').click(function() {
$('<ul/>').appendTo($('#right')).append(
$('#spisok li').filter(function() {
return $(this).find(':checked').length
}).clone()
);
})
});
</script>
</head>
<body>
<div id="left">
<ul id="spisok">
<li><input type="checkbox" checked />Дискета</li>
<li><input type="checkbox" checked />usb</li>
<li><input type="checkbox" />usb 3.0</li>
</ul>
</div>
<div id="right"></div>
<button>Move</button>
</body>
</html>