Hello Jordi
There isnt exactly a Google transation module that I know of. You can easily make your own selector box or like I've done use flags (see my link houseofstrauss below)
Here's the code for French
http://translate.google.com/translate?u=http%3A%2F%2Fxoops.org%2F&langpair=en%7Cfr&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools
Go on, click it and see. It will translate this site
Go to my site and copy all the google links in the flags and make your own. BTW my translation
Dow ... here's the whole block code, strip it out and use it!
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<a href="http://translate.google.com/translate?u=http%3A%2F%2Fhouseofstrauss.co.uk%2F&langpair=en%7Cpt&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools">
<div align="center">
<center>
<table border="0" cellpadding="0" cellspacing="0" width="160">
<tr>
<td>
<img border="0" src="http://houseofstrauss.co.uk/flags/portugal.gif" alt="Portuguese" width="16" height="14"></a>
<a href="http://translate.google.com/translate?u=http%3A%2F%2Fhouseofstrauss.co.uk%2F&langpair=en%7Cfr&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools"><img border="0" src="http://houseofstrauss.co.uk/flags/france.gif" alt="French" width="14" height="14"></a>
<a href="http://translate.google.com/translate?u=http%3A%2F%2Fhouseofstrauss.co.uk%2F&langpair=en%7Cde&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools"><img border="0" src="http://houseofstrauss.co.uk/flags/germany.gif" alt="German" width="14" height="14"></a>
<a href="http://translate.google.com/translate?u=http%3A%2F%2Fhouseofstrauss.co.uk%2F&langpair=en%7Cit&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools"><img border="0" src="http://houseofstrauss.co.uk/flags/italy.gif" alt="Italian" width="14" height="14"></a>
<a href="http://translate.google.com/translate?u=http%3A%2F%2Fhouseofstrauss.co.uk%2F&langpair=en%7Ces&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools"><img border="0" src="http://houseofstrauss.co.uk/flags/spain.gif" alt="Spanish" width="14" height="14">
</a><img border="0" src="http://houseofstrauss.co.uk/homeimages/translate.gif" width="55" height="16" alt="Translate whole site with Google"><br><a href="javascript:void(window.open('http://houseofstrauss.co.uk/sitebar/sitebar.php?target=_blank','_sb_pop_up','directories=no,height=600,width=220,left=0,top=0,scrollbars=yes,location=no,menubar=no, status=no, toolbar=no'))"><img border="0" src="http://houseofstrauss.co.uk/homeimages/mylinks.gif" width="40" height="16" alt="Personal weblinks manager"></a>
<a href="javascript:openpopup()"><img border="0" src="http://houseofstrauss.co.uk/homeimages/mynotes.gif" alt="Click for personal notes" width="42" height="17"></a>
<a href="http://houseofstrauss.co.uk/modules/xoopsfaq/">
<img border="0" src="http://houseofstrauss.co.uk/homeimages/sitehelp.gif" alt="Click for site help" width="43" height="15"></a></td>
</tr>
</table>
</center>
</div>
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Richard