[jQuery] Error with jquery interface plugin

[jQuery] Error with jquery interface plugin


I'm using the window script here
http://interface.eyecon.ro/demos/windows.html
It works fine on one of my implementations, but on another when I
click to trigger the window, the first time it works fine.. but when I
close it... it appears to close twice, by flickering.. then when I
open it again, it opens several times..
I get this error:
jQuery.transferHelper has no properties
(no name)()jquery.js (line 22)
e()jquery.js (line 11)
(no name)()jquery.js (line 22)
(no name)()jquery.js (line 22)
[Break on this error] undefined
This is my code....
JS
            //View Groups
    $('#viewGroups').bind(
            'click',
            function() {
                if($('#viewGroupsWindow').css('display') == 'none') {
                    $(this).TransferTo(
                        {
                            to:'viewGroupsWindow',
                            className:'transferer2',
                            duration: 400,
                            complete: function()
                            {
                                $('#viewGroupsWindow').show();
                                $("#viewGroupsWindowContent").load("templates/forms/category-
groups.php");
                            }
                        }
                    );
                }
                this.blur();
                return false;
            }
        );
        $('#viewGroupsWindowClose').bind(
            'click',
            function()
            {
                $('#viewGroupsWindow').TransferTo(
                    {
                        to:'viewGroups',
                        className:'transferer2',
                        duration: 400
                    }
                ).hide();
            }
        );
        $('#viewGroupsWindow').Resizable(
            {
                dragHandle: '#viewGroupsWindowTop',
                handlers: {
                    se: '#viewGroupsWindowResize'
                }
            }
        );
HTML
<div class="window" id="viewGroupsWindow">
<div>
    <div class="windowTop">
        <div class="WindowTopLeft"></div>
        <div class="windowTopMiddle"></div>
        <div class="WindowTopRight"></div>
    </div>
    <div class="clear"></div>
    <div class="windowMiddle" id="viewGroupsWindowTopContent">
        <div class="windowMiddleLeft"></div>
            <div class="windowMiddleMiddle">
                <div class="windowBar" id="viewGroupsWindowTop">
                    <h2>Edit Groups</h2><img src="images/close.gif"
class="closeImage" id="viewGroupsWindowClose">
                </div>
                <div class="windowMiddleContent" id="viewGroupsWindowContent">
                    Loading...
                </div>
            </div>
        </div>
    </div>
    <div class="windowMiddleRight"></div>
    <div class="clear"></div>
    <div class="windowBottom">
    <div class="WindowBottomLeft"></div>
    <div class="windowBottomMiddle"></div>
    <div class="WindowBottomRight" id="viewGroupsWindowResize"></div>
    </div>
    <div class="clear"></div>
</div>
</div>
Any help would be awsome... thank you!!