swapping between two topics in rqt_image_view

Hello all, I am a newbie to ROS. I am trying to visualize image feed from two cameras in `RQT` using `image_view`. But according to the conventional use, one needs two `image_view` windows. But considering the space constraint of the screen, i want to display both images in a single window and want to visualize one camera at a time. i.e., when i click a button i want to see image from `camera1` and when i click another button i want to see image from `camera2`. could someone suggest a plain sailing method to do this ...