How to get a drop down menu in asp.net master page?

In my master page I have a table and inside that table I开发者_开发问答 have these, This is for displaying the username after user login to the website. I want to have a icon when clicked it should display signout, changepassword. How can I do that. Something similar like facebook where there is a inverted triangle whenclicked displays privacy setting.

<td class="style1">
    <asp:Label ID="Label_Welcome"  runat="server" Text="Welcome:"></asp:Label>
</td>
<td>
     <asp:Label ID="Label_UsereName" runat="server" Text="Label"></asp:Label>
 </td>

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this type menu can be made using jquery

refer to this link Facebook Style CSS JQuery drop down menus

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You will need to look into some javascript code which will show/hide your options.

jQuery Toggle or jQuery Show would be a good place to start.