Image Buttons Don't Stay in 'Clicked' State

I am using the “Image Buttons” to create a filter. In the “Change Icon” menu (Should be named ‘Change Image’, but whatever) I have changed the image for each state (Regular, Hover, and Clicked). Now they all work EXCEPT the Clicked state won’t stay in that state… it seems to only stay in that state for as long as I hold the mouse click down. Is there a way to make it so when the image is clicked it STAYS in the clicked state until something else is clicked?