Can't make "Upload" button to show

<script src="../ckEditor/ckeditor.js"></script>
...
<asp:TextBox runat="server" ID="txtTemplate" TextMode="MultiLine" Rows="20" Columns="45" />

<script>
    var tools = [['Source'], ['Bold', 'Italic', 'Underline', 'Strike'], ['NumberedList', 'BulletedList'], ['Outdent', 'Indent'], ['Link', 'Unlink', 'Anchor', '-', 'Table', 'Image', 'Flash', 'Rule']];
    CKEDITOR.replace('<% =txtTemplate.ClientID %>', { skin: 'office2003', language: 'en', toolbar: tools });
    CKEDITOR.replace('<% =txtTemplate.ClientID %>', { filebrowserBrowseUrl: '../Administration/browse.aspx', filebrowserUploadUrl: '../Administration/browse.aspx' }); 
</script>