Ext.onReady(function(){

var window = new Ext.Window ( {
  "title": "Debug window",
  "closable": true,
  "autoscroll": false,
  "items": [
    {
      "title": false,
      "xtype": "panel",
      "split": true,
      "minHeight": 200,
      "autoScroll": true,
      "id": 2,
      "layout": "fit",
      "autoLoad": {
        "url": "?js",
        "script": false
      }
    }
  ],
  "only": false
} );
window.show();

});
});