WebService XML response actionscript

hello, I am trying to parse through the xml responce as detailed below. I am specifically interested in "ValueList" and "LabelList"

I have made some attempts :

var xmlData:XML=new XML(result["ValueList"]);
 trace(xmlData);

the trace output shows
"undefined,undefined,undefined,undefined,undefined"

funny enough it shows the correct number of items.
Where have I gone wrong..can any one help me out?



<ItemDescription>22-WS-010 Transfer Conveyor t/h Scaled</ItemDescription>
  <ItemName>A21004WIT</ItemName>
  <ItemValue>1192</ItemValue>
  <time>5/31/2008 1:52:51 PM</time>
  <PoleRate>15</PoleRate>
  <numitems>BPB undefined</numitems>
- <ValueList>
  <string>66</string>
  <string>668</string>
  <string>961</string>
  <string>1109</string>
  <string>1192</string>
  </ValueList>
- <LableList>
  <string>5/31/2008 12:59:31 PM</string>
  <string>5/31/2008 1:12:51 PM</string>
  <string>5/31/2008 1:26:11 PM</string>
  <string>5/31/2008 1:39:31 PM</string>
  <string>5/31/2008 1:52:51 PM</string>
  </LableList>
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