setCenterWindow: function(win) {
_navDrawer.centerWindow = win;
// Close old centerWindow
WM.closeWin(_centerWin);
// Make reference to new centerWindow, so we can close later
_centerWin = win;
// Enable opening side menu by panning
// _navDrawer.setOpenDrawerGestureMode(_navDrawerModule.OPEN_MODE_ALL);
},
closeWin: function(win) {
win = win || controller.getView();
WM.closeWin(win);
}