PHP Code:
Jukebox_Window.visible = Jukebox_Window.visible - 1;
Should be one of the following:
PHP Code:
Jukebox_Window.visible = !Jukebox_Window.visible;
Jukebox_Window.visible = 1 - Jukebox_Window.visible;
Jukebox_Window.visible = (Jukebox_Window.visible + 1)%2;
Jukebox_Window.visible = (Jukebox_Window.visible == true ? false : true );
The timer has no purpose: It seems like it is an overkill.
PHP Code:
if ( this.time > 0 )
could be
PHP Code:
if ( this.playing != "[None]" )