In FileMaker 13, you could use the new "Hide when" feature to selectively hide and reveal graphic objects. In older versions, you can use a number of methods--including calculaiton fields that have "Container" as the result type that display the contents of other global or related container fields.
In addition to those methods, some of the tricks in this demo file can be used: https://www.dropbox.com/s/8levaz6deiyzjr8/LayoutObjectVisibilityControlDemo.fp7
Thanks for the tip. That works well.