Give this a try
$(function () {
$('#kbafilter input[type="checkbox"]').click(function () {
$('#orderlist tbody tr').show();
if ($('#kbafilter :checked').length > 0) {
contain = $('#kbafilter :checked').map(function () {
return ':contains("' + this.value + '")';
}).get().join(',');
$('#orderlist tbody tr:not(' + contain + ')').hide();
}
});
});