#thumbs {
list-style-image:none;
list-style-position:outside;
list-style-type:none;
/*margin:30px;*/
overflow:auto;
padding: 90px 0 0 600px;  /* A droite */ 
/* padding:390px 0 0 15px; en bas*/
position:absolute;
width: 280px;
}

#thumbs img {
border:1px solid #FFF;
padding: 5px;
}

#thumbs li {
float:left; /* liste horizontale */
}

#thumbs a {
display:block;
outline-style:none;
outline-width:medium;
padding:4px;
}

#thumbs a:hover, #thumbs a:focus {
background:#FFFFFF none repeat scroll 0 0;
}

#thumbs a.active {
background:#FFFFFF none repeat scroll 0 0;
}

#viewer {
height:430px;
position:relative;
width:430px;
z-index: 1; /* Le viewer doit s'afficher sous le menu, la position doit être relative */
padding: 0 0 0 60px;
}

/* hack ie7 */
*+html #viewer {
padding-top: 0px;
}

#viewer img[src*="loader"] {
left:50%;
margin:-15px 0 0 -15px;
position:absolute;
top:50%;
}