width1=longestname

            # make frame that surrounds the whole submaster

            f=Frame(parent, bd=1, relief='raised')

            f.pack(fill='both',exp=1,side=('top','left')[sub.is_effect])

            # make DoubleVar (there might be one left around from before a refresh)

            if name not in scalelevels:

                scalelevels[name]=DoubleVar()

            sub.set_slider_var(scalelevels[name])

            scaleopts = {}

            if sub.color:

                scaleopts['troughcolor'] = sub.color

            s = FlyingFader(f, label=str(name), variable=scalelevels[name],

                            showvalue=0, length=300-17,

                            width=18, sliderlength=18,

                            to=end1,res=.001,from_=end2,bd=0, font=stdfont,

                            orient=orient1,

                            labelwidth=width1,

                            **scaleopts)

            eb = Button(f,text="E",font=stdfont,padx=0,pady=0,bd=1,command=lambda subediting=subediting,sub=sub: subediting.setsub(sub))

            eb.pack(side=side1,fill='both',padx=0,pady=0)

            for axis in ('y','x'):

                cvar=IntVar()

                cb=Togglebutton(f,text=axis.upper(),variable=cvar,font=stdfont, padx=0, 

                               pady=0, bd=1)

                cb.pack(side=side1,fill='both', padx=0, pady=0)

                s.bind('<Key-%s>'%axis, lambda ev,cb=cb: cb.invoke)

                xfader.registerbutton(name,axis,cvar)

            s.pack(side='left', fill=BOTH)

            # effects frame?

            sframe = Frame(f,bd=2,relief='groove')

            sub.draw_tk(sframe)

            sframe.pack(side='left',fill='y')