@# @action should be the action to switch to the opposite state
@# @state should be the current state
@define {onoff} {class action state}
- {<a class=button
- href="@url?action=@action@back"
- title="@label{playing.@q{@action}verbose}">
- @label{playing.@class}
- </a>
+ {@actbutton{@label{playing.@class}}
+ {@label{playing.@q{@action}verbose}}
+ {@action}
<img width=@width height=@height class=imgbutton
src="@image{@state}">}