Customize sharepoint menu

I have this req开发者_如何转开发uirement to display site sub menu items in horizonatl direction instead of vertical.

 Home | Site1 | Site2
        Page1 | Page2 | Page3

Is there any attribute avaliable in Sharepoint:ASPMenu to achieve this. We dont intend to write code behind for this. Any suggestions on how to achieve this thru Sharepoint desinger.

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is the Orientation property available?

where "Orientation" is Orientation.Horizontal

see http://msdn.microsoft.com/en-us/library/1ka1z07s