CMD_BUTTON

BUTTON (jBash command)

Use this command to show or hide buttons on panels.
The button must have an unique intern name.

If you use hide or show on the active panel, you must reopen it.
(panel closeall my_active_panelname)

Usage:
button show buttonname - makes all buttons with the given intern name visible.
button hide buttonname - hides all buttons with the given intern name.