cod gmappanet

 {
                            id: 'portlet-5',
                            title: 'Portlet 5',
                            tools: this.getTools(),
                             html: content,
                            items: Ext.create(
                            {
                    xtype: 'gmappanel',
                    center: {
                        geoCodeAddr: '4 Yawkey Way, Boston, MA, 02215-3409, USA',
                        marker: {title: 'Fenway Park'}
                    },
                    markers: [{
                        lat: 42.339641,
                        lng: -71.094224,
                        title: 'Boston Museum of Fine Arts',
                        listeners: {
                            click: function(e){
                                Ext.Msg.alert('It\'s fine', 'and it\'s art.');
                            }
                        }
                    },{
                        lat: 42.339419,
                        lng: -71.09077,
                        title: 'Northeastern University'
                    }]
                }
                ),