Problème searchplugins google.xml de Mozilla Firefox

<SearchPlugin xmlns="http://www.mozilla.org/2006/browser/search/">
<ShortName>Recherche Google</ShortName>
<Description>Google Search</Description>
<InputEncoding>UTF-8</InputEncoding>
<Image width="16" height="16">data:image/x-icon;base64,*</Image>
<Url type="application/x-suggestions+json" method="GET" template="http://suggestqueries.google.com/complete/search?output=firefox&client=firefox&hl={moz:locale}&q={searchTerms}"/>
<Url type="text/html" method="GET" template="http://www.google.com/search">
<Param name="hl" value="fr"/>
<Param name="q" value="{searchTerms}"/>
<Param name="ie" value="utf-8"/>
<Param name="oe" value="utf-8"/>
<Param name="aq" value="t"/>
<!-- Dynamic parameters -->
<Param name="rls" value="{mozistributionID}:{moz:locale}:{mozfficial}"/>
<MozParam name="client" condition="defaultEngine" trueValue="firefox-a" falseValue="firefox"/>
</Url>
<SearchForm>http://www.google.com/firefox</SearchForm>
</SearchPlugin>