Type.registerNamespace("Sys.Extended.UI.HtmlEditor.ToolbarButtons"); Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton = function(element) { Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton.initializeBase(this, [element]); } Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton.prototype = { initialize: function() { Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton.callBaseMethod(this, "initialize"); } } Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton.registerClass("Sys.Extended.UI.HtmlEditor.ToolbarButtons.BoxButton", Sys.Extended.UI.HtmlEditor.ToolbarButtons.CommonButton);