jQuery Modal in DNN

    function OpenDialog(url, height, width, title) {

        var vurl = url;
        var vheight = height;
        var vwidth = width;
        var vtitle = title;

        var strAddOn = '&SkinSrc=[G]';
        strAddOn += '<%= DotNetNuke.Common.Globals.QueryStringEncode(DotNetNuke.UI.Skins.SkinController.RootSkin + "/" + DotNetNuke.Common.Globals.glbHostSkinFolder + "/" + "popUpSkin") %>';

        strAddOn += '&ContainerSrc=';
        strAddOn += '<% = DotNetNuke.Common.Globals.QueryStringEncode("/portals/_default/containers/_default/no%20container") %>';

        vurl += strAddOn.toString();
        alert(vurl);
        var dialog = $('').appendTo('body');
        dialog.dialog({ title: vtitle, modal: true, open: function (type, data) { $(this).parent().appendTo("form"); },
            buttons: [{ text: "Exit", click: function () {
                //     var valInput = $("#iDialog").contents().find("#txtRequesterNotes");
                // stuff it into a hidden field on the parent if you want
                //      $("input[name='hModalReturnValue']", parent.document.body).val(valInput.val());
                $(this).dialog("close");
                //or just return it.
                //     processDialogResult('refresh,' + valInput.val());
            }
            }]
                , height: vheight
                , width: vwidth
        });

    }