dojo 2

<div id="preloader">Loading Application...</div>         <!-- Using Declarative Require to "hang" some modules off app object for declarative scripting -->         <script type="dojo/require">             "app.dom": "dojo/dom",             "app.registry": "dijit/registry"         </script>         <div data-dojo-type="dijit/layout/BorderContainer" id="mainContainer"             data-dojo-id="app.mainContainer" data-dojo-props="liveSplitters: false">                           <!-- top -->             <div data-dojo-type="dijit/layout/ContentPane" id="headerPane"                  data-dojo-props="region:'top',style:'height: 56px;',href:'topAp.html'">             </div>