on_off commands

<inputcommands>
        <cmd input="/th4 on">
            <if advanced="$th4=false">
                <setvar name="th4" value="true" />
                <command>/ac disable main</command>
                <command>/ac disable sub</command>
                <command>/ac disable hands</command>
                <addtochat color="57">TH4 mode enabled!</addtochat>
            </if>
        </cmd>
        <cmd input="/th4 off">
            <if advanced="$th4=true">
                <setvar name="th4" value="false" />
                <command>/ac enable main</command>
                <command>/ac enable sub</command>
                <command>/ac enable hands</command>
                <addtochat color="57">THmode mode disabled.</addtochat>
            </if>
        </cmd>
    </inputcommands>