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 voilà quelque codes bien pratique à utiliser

<p><iframe name="SELFHTML_in_a_box" src="xxxxxx adresse du site à insérer xxxxxx" width="100%" height="400"></iframe></p>

scrollbar

<div style="border: 1px solid black; width: 170px; height: 100px; overflow: scroll; overflow-y: scroll; overflow-x: hidden;">
<p><a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a><br /> <a href="Adresse">Nom du lien</a></p>
</div>

 question/réponse

 <p style="text-align: left;">&nbsp;</p>
<div style="margin: 20px; margin-top: 5px;">
<div class="quotetitle"><strong>Ecrire une question</strong> <input style="width: 100px; font-size: 10px; margin: 0px; padding: 0px;" onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';        this.innerText = ''; this.value = 'Cacher'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'Qui suis-je'; }" type="button" value="hein?" /></div>
<div class="quotecontent">
<div style="display: none;">Ecrire la R&eacute;ponse</div>
</div>
</div>

 Pages au hazard

<script type="text/javascript">// <![CDATA[
var NombrePages = 2;
var page = new Array(NombrePages+1);
page[0]="Lien page html 1";
page[1]="Lien page html 2";
page[2]="Lien page html 3";
function PageRandom(){
var scriptRandom = -1;
while (scriptRandom < 0 || scriptRandom > NombrePages || isNaN(scriptRandom)){
scriptRandom = parseInt(Math.random()*(NombrePages+1));
}
return scriptRandom;
}
affichage = PageRandom();
AffichagePage = page[affichage];
window.location=(AffichagePage);
// ]]></script>

 Aperçus image/lien

 <p><img src="https://open.thumbshots.org/image.pxf?url=https://tresor--commun.blog4ever.com/blog/lire-article-421022-3155523-codes_html.html" alt="Preview by Thumbshots" border="0" /></p>

 Form recherche google

<form action="http://www.google.com" method="get" target="_blank"><input style="width: 110px;" type="text" name="q" value="" maxlength="50" /></form><form action="http://www.google.com" method="get" target="_blank"><input type="submit" value="via google" /><input type="hidden" name="domains" value="http://ostaltv.blog4ever.com" /><input type="hidden" name="sitesearch" value="http://ostaltv.blog4ever.com" checked="checked" /><input type="hidden" name="meta" value="lr=lang_fr" /></form>