can you use an Accordion control in a masterpage?

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ASP.NET

I used an acordion menu in my master page (asp.net with c#). I added menus like treeview menu. for example ;

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im my menu there are some titles and subtitles if you click on titles subtitles in this category should be opened. and if you click on a subtitles all of these subtitles are closed and only titles left. i dont want to this. when ı click on a subtitle the other subtitles also should remain opened. i want to design a website like this http://www.obout.com/sm3/whatisnew.aspx?sm=b_d

can you help me, please