<div class="easyui-layout" data-options="fit:true">
    <div data-options="region:'east',split:true,hideCollapsedContent:false,title:'&nbsp;',dataType:'json',href:'/web/client/client_edit_left'" style="width:500px;"></div>
    <div data-options="region:'center',border:false,dataType:'json',href:'/web/client/client_edit_center'" style="overflow:hidden;"></div>
</div>