YAHOO.widget.Tab
                                
                                        
                            
                        
                                    (
  
                                        
                                                
                                                element
                                                , 
                                                properties
                                    )
                                
                                - Parameters:
- 
                                                    element <HTMLElement | String>(optional) The html element that represents the Tab. An element will be created if none provided.
- 
                                                    properties <Object>A key map of initial properties