Type.registerNamespace("Sys.Extended.UI.HtmlEditor.Popups"); Sys.Extended.UI.HtmlEditor.Popups.PopupBoxButton = function(element) { Sys.Extended.UI.HtmlEditor.Popups.PopupBoxButton.initializeBase(this, [element]); this._designPanel = null; } Sys.Extended.UI.HtmlEditor.Popups.PopupBoxButton.prototype = { } Sys.Extended.UI.HtmlEditor.Popups.PopupBoxButton.registerClass("Sys.Extended.UI.HtmlEditor.Popups.PopupBoxButton", Sys.Extended.UI.HtmlEditor.Popups.PopupCommonButton);