Asp.net CheckBoxList 多选提示

<script src="http://code.jquery.com/jquery-1.4.4.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $(":checkbox").each(function (i) {
                if (this.id.indexOf("cbl") != -1) {
                    this.onclick = function () { AddTips(this.id) };
 
                }
            });
//            var Tips = document.getElementById("Tips");
//            Tips.innerHTML = "";
            $("#Tips").html("");
        });
        function AddTips(Id) {
            //var Tips = document.getElementById("Tips");
            var $Tips = $("#Tips");
            $("label").each(function (i) {
                if (this.htmlFor == Id) {
                    if ($("#" + Id).is(":checked")) {
                        $Tips.html($Tips.html() + $(this).html() + ",");
                    }
                    else {
                        var x = $(this).html() + ",";
                        $Tips.html($Tips.html().replace(x, ""));
                    }
                }
 
            });
//            var items = $("label");
//            for (var i = 0; i < items.length; i++) {
//                if (items[i].htmlFor == Id) {
//                    if (document.getElementById(Id).checked) {
//                        Tips.innerHTML += items[i].innerHTML + ",";
//                    }
//                    else {
//                        var x = items[i].innerHTML + ",";
//                        Tips.innerHTML = Tips.innerHTML.replace(x, "");
//                    }
//                }
//            }
        }
    </script>
　　<div id="Tips"></div>
        <asp:CheckBoxList ID="cbl" runat="server">
        </asp:CheckBoxList>

CS.

for (int i = 0; i < 10; i++)
{
    cbl.Items.Add(new ListItem(i.ToString()));
}