Ext.onReady(function(){
    var mapwin;
    var button = Ext.get('show-btn');

    button.on('click', function(){
        // create the window on the first click and reuse on subsequent clicks
        if(!mapwin){
            mapwin = new Ext.Window({
                layout:'fit',
                title:'3535 S.Ocean Drive, Hollywood, Florida',
                closeAction:'hide',
                width:400,
                height:400,
                //x:140,
                //y:160,
				x:(screen.width/2) - 200,
				y:180,
                items:{
                    xtype:'gmappanel',
                    region:'center',
                    zoomLevel:13,
                    gmapType:'map',
                    mapConfOpts:['enableScrollWheelZoom','enableDoubleClickZoom','enableDragging'],
                    mapControls:['GSmallMapControl','GMapTypeControl','NonExistantControl'],
                    setCenter:{
                        geoCodeAddr:'3515 S Ocean Dr Hollywood, FL, USA',
                        marker:{title:'Diplomat Oceanfront Residences'}
                    }/*,
                    markers: [{
                        lat: 42.339641,
                        lng: -71.094224,
                        marker: {title: 'Boston Museum of Fine Arts'},
                        listeners: {
                            click: function(e){
                                Ext.Msg.alert('Its fine', 'and its art.');
                            }
                        }
                    },{
                        lat: 42.339419,
                        lng: -71.09077,
                        marker: {title: 'Northeastern University'}
                    }]*/
                }
            });            
        }        
        mapwin.show();        
    });    
 });