excel display agin

gistfile1.txt

    var ExcelSuccessDialog = Ext.extend(Ext.Window, {
       constructor: function(config) {
         this.importsuccessForm = new Ext.FormPanel({
           frame: true,
           bodyStyle: 'padding: 10px 10px 0 10px;',
           labelWidth: 50,
           defaults: { anchor: '95%', allowBlank: false, msgTarget: 'side'},
           items: [{
               xtype: 'displayfield',
               itemID: 'numnew',
               value: config.num_new + ' asset(s) created'
           },{
               xtype: 'displayfield',
               itemID: 'nummod',
               value: config.num_mod + ' asset(s) modified'
           }]
         });
         Ext.apply(this, {
           title: 'Successfuly Imported Excel Document',
           layout:'fit',
           width:450,
           height:200,
           plain: true,
           modal: true,
           items: [this.importsuccessForm],
           fbar: [
             {text: 'OK', tabIndex: 5, handler: this.onOK, scope: this },
           ]
         });
         ExcelSuccessDialog.superclass.constructor.apply(this, arguments);
       },
       onOK: function() {
           this.close();
       }
     });