width="660px"
height="80px"

echo '<SCRIPT LANGUAGE="JavaScript">...</script>'

<a class=\"thumbnail\" href=\"recherche.php?mot=$titre\"><img border=\"0\" height=\"80\" width=\"60\" src=\"'.$resultat['image'].'\">'.addslashes($data).' <span><font style=\"color:#0000FF;\">site</font><br><img border=\"0\" height=\"200\" width=\"150\" src=\"'.$resultat['image'].'\"><br />'.$resultat['titre'].'<br /><br /><div bgcolor=\"#FFFFFF\">Aper&ccedil;u :<br /><br /></div></span></a>

<style type="text/css">
 
.thumbnail{
text-decoration: none;
position: relative;
z-index: 0;
}
 
.thumbnail:hover{
background-color: transparent;
z-index: 50;
}
 
.thumbnail span{ /*CSS for enlarged image*/
position: absolute;
background-color: #000;
padding: 5px;
left: -1000px;
border: 1px solid gray;
overflow:hidden;
width:160px;
height:345px;
visibility: hidden;
color: white;
text-decoration: none;
 
}
 
.thumbnail span img{ /*CSS for enlarged image*/
border-width: 0;
padding: 2px;
}
 
.thumbnail:hover span{ /*CSS for enlarged image on hover*/
visibility: visible;
top: 0;
left: 0px; /*position where enlarged image should offset horizontally */
 
}
 
</style>