<?xml version="1.0" encoding="ISO-8859-1"?>
<panel
   bgcolor="white"
   layout="inset"
   space="20">
  <panel
     cols="3"
     colwidths="0,1,0"
     layout="gridbag"
     rowheights="1,0">
    <label text="Row 1 height is stretchy"/>
    <panel bgcolor="red"/>
    <panel bgcolor="green"/>
    <panel bgcolor="blue"/>
    <label text="Middle column width is stretchy"/>
    <panel bgcolor="black"/>
  </panel>
</panel>
