根据登陆显示相应状态 --自定义控件

<table cellspacing="0" cellpadding="0" width="100%" height="38" background="Images/top_stripe2.gif"
border="0">
<form id="search" method="get" action="Search.aspx">
<TBODY>
<tr>
<td align="right" nowrap>
<font class="menuOrange"><span id="areaLoggedIn" runat="server"><a href="SignOut.aspx" class="menuOrange">
注 销</a>  |  <a href="MyAcount.aspx" class="menuOrange">我的账户 </a>
  </span><span id="areaLoggedOut" runat="server"><a href="SignIn.aspx" class="menuOrange">
登 录</a>  </span>|<a href="ShoppingCart.aspx"><img src="Images/cart.gif" align="absMiddle" border="0"></a>| 
<a href="Help.aspx" class="menuOrange">帮 助</a> <img src="Images/space.gif" width="20" height="1">
<input type="text" size="14" name="keywords">  <a href="javascript:search.submit()" class="menuOrange">
搜 索</a> </font><img src="Images/space.gif" width="20" height="1">
</td>
</tr>
</TBODY>
</form>
</table>