Salut,
En affichant le code source de ta page, je voois ceci :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<{$xoops_langcode}>" lang="<{$xoops_langcode}>">
<head>
<meta http-equiv="content-type" content="text/html; charset=<{$xoops_charset}>" />
<meta http-equiv="content-language" content="<{$xoops_langcode}>" />
<meta name="robots" content="<{$xoops_meta_robots}>" />
<meta name="keywords" content="<{$xoops_meta_keywords}>" />
<meta name="description" content="<{$xoops_meta_description}>" />
<meta name="rating" content="<{$xoops_meta_rating}>" />
<meta name="author" content="<{$xoops_meta_author}>" />
<meta name="copyright" content="<{$xoops_meta_copyright}>" />
<meta name="generator" content="XOOPS" />
<title><{$xoops_sitename}> - <{$xoops_pagetitle}></title>
<link href="%3C%7B$xoops_url%7D%3E/favicon.ico" rel="SHORTCUT ICON" />
<link rel="stylesheet" type="text/css" media="all" href="%3C%7B$xoops_url%7D%3E/xoops.css" />
<link rel="stylesheet" type="text/css" media="all" href="%3C%7B$xoops_themecss%7D%3E" />
<!-- RMV: added module header -->
</head>
<body>
<{$xoops_module_header}>
<script language="JavaScript">
<!--
function SymError()
{
return true;
}
window.onerror = SymError;
var SymRealWinOpen = window.open;
function SymWinOpen(url, name, attributes)
{
return (new Object());
}
window.open = SymWinOpen;
//-->
</script>
<script type="text/javascript">
<!--
//--></script><script type="text/javascript" src="http://www.petits-mousses.org/include/xoops.js"></script><script type="text/javascript"><!--
//-->
</script>
<table class="okvir" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td>
<table cellspacing="0">
<tbody>
<tr id="header">
<td colspan="6" id="headerbanner">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tbody>
<tr>
<td id="headerbanner1" width="266"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/logo.gif" /></td>
<td id="headerbanner">
<div align="center"><{$xoops_banner}></div>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
<tr>
<td id="headerbar" align="center" bgcolor="#ef9603" height="29" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/index.php">Home</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#d85215" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/news/">News</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#952722" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/newbb/">Forum</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#97ae6d" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/mydownloads/">Download</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#4080bf" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/contact/">Contact</a>
</td>
</tr>
</tbody>
</table>
<{if $xoops_showrblock == 1}>
<{/if}>
<table cellspacing="0">
<tbody>
<tr>
<td id="leftcolumn">
<br />
<form method="post" action="<{$xoops_url}>/search.php">
<table align="center" border="0" cellpadding="2" cellspacing="0">
<tbody>
<tr>
<td valign="top">
<input class="input" name="query" size="8" type="text" />
<input name="action" value="results" type="hidden" />
</td>
<td width="100%">
<input src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/quickie_search.gif" alt="site search" border="0" type="image" />
</td>
</tr>
</tbody>
</table>
</form>
<img src="%3C%7B$xoops_imageurl%7D%3E160.gif" alt="" height="1" width="160" />
<!-- Start left blocks loop -->
<{foreach item=block from=$xoops_lblocks}>
<div class="blockTitle"><{$block.title}></div>
<div class="blockContent"><{$block.content}></div>
<{/foreach}>
<!-- End left blocks loop -->
</td>
<td id="centercolumn">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tbody>
<tr>
<td class="pozdrav"> <{if $xoops_isuser}> Hey <a href="%3C%7B$xoops_url%7D%3E/user.php"><{$xoops_uname}></a> <a href="%3C%7B$xoops_url%7D%3E/user.php">your
account </a> <{else}> <a href="%3C%7B$xoops_url%7D%3E/register.php">Register
now</a> sur le Site! <{/if}> <span class="right"> <{if $xoops_isuser}>
<{else}> <a href="%3C%7B$xoops_url%7D%3E/user.php">Login</a>
<{/if}> </span></td>
<td class="vrijeme"><span id="clock"></span>
<script language="JavaScript" type="text/javascript" src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/clock.js">
</script> </td>
</tr>
</tbody>
</table>
<br />
<!-- Display center blocks if any -->
<{if $xoops_showcblock == 1}>
<table cellspacing="0">
<tbody>
<tr>
<td id="centerCcolumn" colspan="2">
<!-- Start center-center blocks loop -->
<{foreach item=block from=$xoops_ccblocks}>
<div style="padding: 5px;">
<fieldset>
<legend class="blockTitle"><{$block.title}></legend>
<div class="blockContent"><{$block.content}></div>
</fieldset>
</div>
<{/foreach}>
<!-- End center-center blocks loop -->
</td>
</tr>
<tr>
<td id="centerLcolumn">
<!-- Start center-left blocks loop -->
<{foreach item=block from=$xoops_clblocks}>
<div style="padding: 0px 0px 0px 8px;"><br />
<fieldset>
<legend class="blockTitle"><{$block.title}></legend>
<div class="blockContent"><{$block.content}></div>
</fieldset>
</div>
<{/foreach}>
<!-- End center-left blocks loop -->
</td>
<td id="centerRcolumn">
<!-- Start center-right blocks loop -->
<{foreach item=block from=$xoops_crblocks}>
<div style="padding: 0px 5px 0px 0px;">
<fieldset>
<legend class="blockTitle"><{$block.title}></legend>
<div class="blockContent"><{$block.content}></div>
</fieldset>
</div>
<{/foreach}>
<!-- End center-right blocks loop -->
</td>
</tr>
</tbody>
</table>
<{/if}>
<!-- End display center blocks -->
<div id="content">
<{$xoops_contents}>
</div>
</td>
<td id="rightcolumn">
<!-- Start right blocks loop -->
<{foreach item=block from=$xoops_rblocks}>
<div class="blockTitle"><{$block.title}></div>
<div class="blockContent"><{$block.content}></div>
<{/foreach}>
<!-- End right blocks loop -->
</td>
</tr>
</tbody>
</table>
<table cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td id="headerbar" align="center" bgcolor="#ef9603" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/index.php">Home</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#d85215" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/news/">News</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#952722" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/newbb/">Forum</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#97ae6d" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/mydownloads/">Download</a></td>
<td class="gumbi" id="headerbar" align="center" bgcolor="#336699" width="20%"><img src="%3C%7B$xoops_url%7D%3E/themes/Zaja_Color/blue_arrow.png" height="8" width="16" /><a href="%3C%7B$xoops_url%7D%3E/modules/contact/">Contact</a>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<table border="0" cellpadding="5" cellspacing="0" width="100%">
<tbody>
<tr>
<td> <font color="#666666" size="1"><{$xoops_footer}> </font></td>
</tr>
</tbody>
</table>
<br />
</body>
</html>
<script language="JavaScript">
<!--
var SymRealOnLoad;
var SymRealOnUnload;
function SymOnUnload()
{
window.open = SymWinOpen;
if(SymRealOnUnload != null)
SymRealOnUnload();
}
function SymOnLoad()
{
if(SymRealOnLoad != null)
SymRealOnLoad();
window.open = SymRealWinOpen;
SymRealOnUnload = window.onunload;
window.onunload = SymOnUnload;
}
SymRealOnLoad = window.onload;
window.onload = SymOnLoad;
//-->
</script>
Il faut que tu remplaces tout les "%3C%7B" par "<{" et les "%7D%3E}" par ">", ainsi que "<" par "<" et ">" par ">"
NVU t'a mal réencodé ta page.
A +