[OpenLayers-Users] OpenLayers.Layer.TileCache as overlay

[Steve.Toutant at inspq.qc.ca]

Hi,
I need to use tilecache as a non base layer.
This work well
 var wms = new OpenLayers.Layer.WMS( label, 
  'http://10.2.192.128/tilecache/tilecache.cgi?',
  {
  LAYERS: theme, 
  REPROJECT: 'false'  ,
transparent: "true"
},
{
maxExtent: new OpenLayers.Bounds(-338000.384, -21722.336, -168667.136, 
371610.912),
maxResolution: 110.2430556,
opacity: opacity[area+'-'+theme]
}
);

Is it possible to use OpenLayers.Layer.TileCache instead of 
OpenLayers.Layer.WMS for an overlay layer.

I tried but can not make it work
thanks
steve
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