<label value="&img.width.label;" control="imgWidth"/>
<textbox id="imgWidth" size="4"
preference="mandelbrot.image.width"
onchange="recalcCoord('Ci', 'scale');"/>
</hbox>
<label value="&img.width.label;" control="imgWidth"/>
<textbox id="imgWidth" size="4"
preference="mandelbrot.image.width"
onchange="recalcCoord('Ci', 'scale');"/>
</hbox>