CKEDITOR.plugins.setLang('tabber', 'en', {
    toolbar: 'Insert tabs',
	title: 'Tabs',
    tabtitle: 'Tab',
    tabcontent: 'Tab content',
    newtabtitle: 'New tab',
    newtabcontent: 'New tab content',
    removetab: 'Remove tab',
    tabbefore: 'Add tab before',
    tabafter: 'Add tab after'
});