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				<tr><td valign="top" class="name">&lt;OPTGROUP&gt;</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span> IE <span class="emphasis">5(Mac)/6(Win)</span> HTML <span class="emphasis">4</span>&#160;&#160;</td>
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					<td valign="top" nowrap class="usage"><p class="literal">&lt;OPTGROUP&gt;...&lt;/OPTGROUP&gt;</p>
					</td><td valign="top" nowrap class="requirements">Balise de fin HTML&#160;: obligatoire&#160;&#160;</td>
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					<td valign="top" colspan="2" class="description"><p>L'&eacute;l&eacute;ment <span class="literal">optgroup</span> est un conteneur pour des &eacute;l&eacute;ments <span class="literal">option</span> dans un &eacute;l&eacute;ment <span class="literal">select</span>. Chaque &eacute;l&eacute;ment <span class="literal">optgroup</span> peut repr&eacute;senter un sous-groupe d'options dans la liste totale des &eacute;l&eacute;ments <span class="literal">select</span>. Dans IE 6 pour Windows et Netscape 6, le texte de l'&eacute;tiquette appara&icirc;t dans une police gras italique et n'est pas s&eacute;lectionnable. Le texte d'&eacute;l&eacute;ment <span class="literal">option</span> normal est alors indiqu&eacute;, en retrait, sous l'&eacute;tiquette. Dans IE 5 pour Mac, la pr&eacute;sence des &eacute;l&eacute;ments <span class="literal">optgroup</span> convertit un menu d&eacute;roulant en un menu hi&eacute;rarchique de deux niveaux.
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					<td valign="top" colspan="2" class="example"><span class="title">Exemple</span></td>
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					<td><span class="programlisting"><pre>&lt;SELECT name="carCos"&gt;
    &lt;OPTGROUP label="American"&gt;
        &lt;OPTION value="General Motors"&gt;General Motors&lt;/OPTION&gt;
        &lt;OPTION value="Ford"&gt;Ford Motor Company&lt;/OPTION&gt;
        &lt;OPTION value="Chrysler"&gt;DaimlerChrysler&lt;/OPTION&gt;
    &lt;/OPTGROUP&gt;
    &lt;OPTGROUP label="Japanese"&gt;
        &lt;OPTION value="Toyota"&gt;Toyota&lt;/OPTION&gt;
        &lt;OPTION value="Honda"&gt;Honda&lt;/OPTION&gt;
        &lt;OPTION value="Nissan"&gt;Nissan&lt;/OPTION&gt;
    &lt;/OPTGROUP&gt;
&lt;/SELECT&gt;</pre>
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">R&eacute;f&eacute;rence de mod&egrave;le d'objet</span></td>
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					<td><span class="programlisting"><pre>[window.]document.getElementById(<span class="replaceable">elementID</span>) </pre>
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">Attributs sp&eacute;cifiques &agrave;l'&eacute;l&eacute;ment</span></td>
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<tbody><tr><td><span class="literal">disabled</span></td><td><span class="literal">label</span></td>
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				<td valign="top" colspan="2" class="objectmodelreference"><span class="title">Attributs du gestionnaire d&acute;&eacute;v&eacute;nements sp&eacute;cifiques &agrave; l&acute;&eacute;l&eacute;ment</span></td>
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				<td><p>Aucune.</p>
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				<tr><td valign="top" class="name">disabled</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span> IE <span class="emphasis">5/6</span> HTML <span class="emphasis">4</span>&#160;&#160;</td>
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					<td valign="top" nowrap class="usage"><p class="literal">disabled</p>
					</td><td valign="top" nowrap class="requirements">Facultatif&#160;&#160;</td>
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					<td valign="top" colspan="2" class="description"><p>La pr&eacute;sence de cet attribut d&eacute;sactive l'&eacute;l&eacute;ment <span class="literal">optgroup</span> et les &eacute;l&eacute;ments <span class="literal">option</span> qu'il contient. Les autres &eacute;l&eacute;ments <span class="literal">optgroup</span> restent activ&eacute;s.
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					<td valign="top" colspan="2" class="example"><span class="title">Exemple</span></td>
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					<td><span class="programlisting"><pre>&lt;OPTGROUP label="Engineering" disabled&gt;</pre>
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					<td valign="top" colspan="2" class="value"><span class="title">Valeur</span></td>
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					<td><p>La pr&eacute;sence de cet attribut d&eacute;finit sa valeur comme <span class="literal">true</span> (vrai).
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					<td valign="top" nowrap colspan="2" class="default"><span class="title">Par d&eacute;faut</span></td>
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					<td><p><span class="literal">false</span></p>
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">R&eacute;f&eacute;rence de mod&egrave;le d'objet</span></td>
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					<td valign="top" colspan="2" class="CLEARSEPARATION">&#160;</td>
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					<td><span class="programlisting"><pre>[window.]document.getElementById(<span class="replaceable">elementID</span>).disabled</pre>
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				<tr><td valign="top" class="name">label</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">6</span> IE <span class="emphasis">5/6</span> HTML <span class="emphasis">4</span>&#160;&#160;</td>
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					<td valign="top" nowrap class="usage"><p class="literal">label="<span class="replaceable">labelText</span>"</p>
					</td><td valign="top" nowrap class="requirements">obligatoire&#160;&#160;</td>
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					<td valign="top" colspan="2" class="description"><p>L'attribut <span class="literal">label</span> contient le texte d'une entr&eacute;e d'&eacute;l&eacute;ment <span class="literal">select</span> de l'&eacute;l&eacute;ment <span class="literal">optgroup</span>. Il s'agit ici de texte pur, non cod&eacute; en HTML, et l'utilisateur ne peut pas le s&eacute;lectionner dans la liste.
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					<td valign="top" colspan="2" class="example"><span class="title">Exemple</span></td>
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					<td valign="top" colspan="2" class="CLEARSEPARATION">&#160;</td>
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					<td><span class="programlisting"><pre>&lt;OPTGROUP label="Engineering" disabled&gt;</pre>
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					<td valign="top" colspan="2" class="value"><span class="title">Valeur</span></td>
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					<td><p>Toute cha&icirc;ne de caract&egrave;res. Cette cha&icirc;ne doit figurer entre guillemets (simples ou doubles, mais identiques).
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					<td valign="top" nowrap colspan="2" class="default"><span class="title">Par d&eacute;faut</span></td>
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					<td><p>Aucune. </p>
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">R&eacute;f&eacute;rence de mod&egrave;le d'objet</span></td>
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					<td valign="top" colspan="2" class="CLEARSEPARATION">&#160;</td>
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					<td><span class="programlisting"><pre>[window.]document.getElementById(<span class="replaceable">elementID</span>).label</pre>
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				<tr><td valign="top" class="name">lang</td><td valign="top" nowrap class="compatibility">NN <span class="emphasis">3</span> IE <span class="emphasis">4</span> HTML <span class="emphasis">4</span></td>
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					<td valign="top" nowrap class="usage"><p class="literal">lang="<span class="replaceable">languageCode</span>"</p>
					</td><td valign="top" nowrap class="requirements">Facultatif</td>
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					<td valign="top" colspan="2" class="description"><p>La langue utilis&eacute;e pour le contenu et les valeurs d'attributs de l'&eacute;l&eacute;ment. Un navigateur peut se servir de ces informations pour aider &agrave;l'affichage correct du contenu aussi bien que de d&eacute;tails comme le traitement des ligatures (lorsqu'elles sont prises en charge par une police particuli&egrave;re ou requises par une langue &eacute;crite), des guillemets et des traits d'union. D'autres applications et moteurs de recherche peuvent se servir de ces informations pour faciliter la s&eacute;lection des dictionnaires utilis&eacute;s pour la v&eacute;rification orthographique et aider la cr&eacute;ation d'index.
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					<td valign="top" colspan="2" class="example"><span class="title">Exemple</span></td>
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					<td><span class="programlisting"><pre>&lt;span lang="de"&gt;Deutsche Bundesbahn&lt;/span&gt;</pre>
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					<td valign="top" colspan="2" class="value"><span class="title">Valeur</span></td>
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					<td><p>Code de langue insensible &agrave;la casse.</p>
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					<td valign="top" nowrap colspan="2" class="default"><span class="title">Par d&eacute;faut</span></td>
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					<td><p>Valeur par d&eacute;faut du navigateur.</p>
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					<td valign="top" colspan="2" class="objectmodelreference"><span class="title">R&eacute;f&eacute;rence de mod&egrave;le d'objet</span></td>
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					<td valign="top" colspan="2" class="CLEARSEPARATION">&#160;</td>
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					<td><span class="programlisting"><pre>[window.]document.getElementById(<span class="replaceable">elementID).</span>lang</pre>
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