Orientacion de Pantalla.

-(void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {

if((self.interfaceOrientation == UIDeviceOrientationLandscapeLeft) ||     (self.interfaceOrientation == UIDeviceOrientationLandscapeRight)){

[currentPage.view setFrame:CGRectMake(0, 0, 1024, 780)];

} else if((self.interfaceOrientation == UIDeviceOrientationPortrait) || (self.interfaceOrientation == UIDeviceOrientationPortraitUpsideDown)){

[currentPage.view setFrame:CGRectMake(0, 0, 780, 1024)];

}

}