Type.registerNamespace("Sys.Extended.UI.HtmlEditor.ToolbarButtons"); Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear = function(element) { Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear.initializeBase(this, [element]); } Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear.prototype = { callMethod: function() { if(!Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear.callBaseMethod(this, "callMethod")) return false; this._designPanel._execCommand("backcolor", false, ""); } } Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear.registerClass("Sys.Extended.UI.HtmlEditor.ToolbarButtons.BackColorClear", Sys.Extended.UI.HtmlEditor.ToolbarButtons.MethodButton);