Set Ajax editor control formatted (CSS, Fonts) value on label using JavaScript in ASP.Net

hi,

this code works fine to assign ajax editor control value to to label.

But when i change color, font size and font name in editor control it does not assign the styles to label.

Please advice

<div>
    <script type="text/javascript">
        Sys.Application.add_load(function () {
            var htmlEditorBox = $('.ajax__html_editor_extender_texteditor');
            htmlEditorBox.keyup(function () {
                document.getElementById('lblContents').innerHTML = this.textContent;
            });
        });
    </script>
    <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
    </asp:ToolkitScriptManager>
    <asp:TextBox ID="txtEditor" CssClass="Editor" runat="server" Width="300" Height="200" />
    <asp:HtmlEditorExtender ID="HtmlEditorExtender1" runat="server" TargetControlID="txtEditor">
    </asp:HtmlEditorExtender>
    <br />
    <asp:Button Text="Submit" runat="server" OnClick="Submit" />
    <br />
    Entered Text:
    <asp:Label ID="lblContents" runat="server" />
</div>