Ext.BLANK_IMAGE_URL = '../../TruckMng/Content/Images/s.gif'; var panelTest = null; Ext.onReady(function () { Ext.QuickTips.init(); Ext.form.Field.prototype.msgTarget = 'side'; panelTest = new window.DsTruck.MsWlTyreScrapEdit({ region: 'center', layout: 'border' }); var view = new Ext.Viewport({ layout: 'border', renderTo: 'viewport', border: false, items: [panelTest] }); });