Question : I can't seem to add separators or other items to my bookmark folder in Firefox

I'm currently using Firefox, version 3.6.6. I have a large number of bookmarks and the most important ones I have displayed on my browser, in a bookmark folder (see screenshot). I want to start grouping some of the bookmarks together, so I went to the option under View-Toolbar-Customize.

The items I want to add are visible, however after choosing to customize, all of the current bookmarks disappear, making it "rather difficult" to place the separator, for example, where I want it.

I'm thinking I must be doing something wrong because it can't possibly have been designed like this. Any ideas?

Attachments:

bookmark-toolbar.png (10 KB) (File Type Details)

bookmarks

customize-toolbar.png (116 KB) (File Type Details)

customizing options

Answer : I can't seem to add separators or other items to my bookmark folder in Firefox

here is the code

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**** c# ***

protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
            CreateCtrls();

    }
    private void CreateCtrls()
    {
        DropDownList ddl1 = new DropDownList();
        ddl1.ID = "ddl1";
        ddl1.Items.Add("asdf0");
        ddl1.Items.Add("asdf1");
        ddl1.Items.Add("asdf2");
        ddl1.Items.Add("asdf3");
        pnl.Controls.Add(ddl1);
        DropDownList ddl2 = new DropDownList();
        ddl2.ID = "ddl2";
        ddl2.Items.Add("lkjh0");
        ddl2.Items.Add("lkjh1");
        ddl2.Items.Add("lkjh2");
        ddl2.Items.Add("lkjh3");
        pnl.Controls.Add(ddl2);

        ViewState["ControlsAdded2"] = true;
    }
    protected void btn1_Click(object sender, EventArgs e)
    {

    }
    protected override void LoadViewState(object savedState)
    {
        base.LoadViewState(savedState);
        if (ViewState["controlsadded1"] == null)
        {
            CreateCtrls();
        }
    }

**** aspx ***
<body>
    <form id="form1" runat="server">
    <div>
    <asp:Panel runat="server" ID="pnl">
        </asp:Panel>
        <asp:Button runat="server" ID="btn1" onclick="btn1_Click" Text="click me" />
    </div>
    </form>
</body>