图1显示了主菜单的基本布局，共含有两个选项。
Figure 1 shows the basic layout of the main menu with the two options.
jsp：提供Search页面使用的基本布局。
BaseLayout.jsp: Provides the basic layout used by the Search page.
清单2显示了设置基本布局所需的代码；它应当是自解释的。
Listing 2 shows the code needed to set up the basic layout; it should be self-explanatory.
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