Coolite 布局左右两分，右侧再分上下两部分

效果图：

html代码：　

　　　　<ext:Panel ID="Panel4" runat="server" Icon="UserHome" Title="客户信息" Width="885px" Height="555px" Frame="true" >
                    <Body>
                         <ext:BorderLayout ID="BorderLayout1" runat="server">
                             <West Collapsible="true" MinWidth="210" Split="true">
                                  <ext:Panel ID="WestPanel" runat="server" Title="知识中心" Width="210" Frame="true">
                                    <Body>
                                     </Body>
                                  </ext:Panel>
                             </West>
                             <Center>
                                 <ext:Panel ID="Panel2" runat="server">
                                    <Body>
                                        <ext:Borderlayout runat="server" ID="BorderLayout2">
                                            <Center>
                                                <ext:Panel ID="Panel3" runat="server" Title="高级检索" Height="210" Frame="true">
                                                    <Body>

                                                    </Body>
                                                </ext:Panel>
                                            </Center>
                                             <South Split="true" Collapsible="true">
                                                <ext:Panel ID="Panel1" runat="server" Title="高级检索" Height="210" Frame="true">
                                                    <Body>

                                                    </Body>
                                                </ext:Panel>
                                            </South>

                                         </ext:Borderlayout>
                                   </Body>
                                 </ext:Panel>
                              </Center>
                         </ext:BorderLayout>
                       </Body>
                </ext:Panel>