>>735
thanx. 動きますた。

*contents.rdf
<?xml version="1.0"?>

<RDF:RDF xmlns:RDF="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
        xmlns:chrome="http://www.mozilla.org/rdf/chrome#">

  <RDF:Seq about="urn:mozilla:package:root">
    <RDF:li resource="urn:mozilla:package:dmclose"/>
  </RDF:Seq>

  <RDF:Description about="urn:mozilla:package:dmclose"
                  chrome:displayName="dmclose Extensions"
                  chrome:author=""
                  chrome:authorURL=""
                  chrome:name="dmclose"
                  chrome:extension="true"
                  chrome:description="dmclose">
  </RDF:Description>

  <!-- overlay information -->
  <RDF:Seq about="urn:mozilla:overlays">
    <RDF:li resource="chrome://communicator/content/downloadmanager/downloadmanager.xul"/>
  </RDF:Seq>

  <RDF:Seq about="chrome://communicator/content/downloadmanager/downloadmanager.xul">
    <RDF:li>chrome://dmclose/content/dmcloseOverlay.xul</RDF:li>
  </RDF:Seq>

</RDF:RDF>