Ext.create 'Ext.panel.Panel',
              width: 500
              height: 400
              title: 'Border Layout'
              layout: 'border'
              items: [
                  title: 'South Region is resizable'
                  region: 'south'
                  xtype: 'panel'
                  height: 100,
                  split: true,
                  margins: '0 5 5 5'
                 ,
                  title: 'West Region is collapsible'
                  region:'west'
                  xtype: 'panel'
                  margins: '5 0 0 5'
                  width: 200
                  collapsible: true
                  id: 'west-region-container'
                  layout: 'fit'
                  ,
                  title: 'Center Region'
                  region: 'center'
                  xtype: 'panel'
                  layout: 'fit'
                  margins: '5 5 0 0'
                 ]