4 <root-layout width="320" height="240" background-color="yellow"/>
5 <region id="left" left="40" top="20" width="100" height="100"
6 background-color="red"/>
7 <region id="mid" left="120" top="80" width="100" height="100"
8 background-color="white"/>
9 <region id="right" left="200" top="40" width="100" height="100"
10 background-color="blue"/>
11 <region id="back" left="280" height="20" top="220" width="40"/>
15 <par dur="indefinite">
17 <set begin="1" dur="1" target="mid" attribute="z-index" to="1"/>
18 <set begin="1.5" dur="1" target="right" attribute="z-index" to="1"/>
19 <set begin="2.5" target="left" attribute="z-index" to="1"/>
21 <a href="linking-all.smil">
22 <text src="data:,back" region="back"/>