#galeria {
	padding: 0;
	margin: 0 auto;
	list-style-type: none;
	overflow: hidden;
	width: 650px;
	height: 240px;
	background: url(images/tresc2.jpg) url(img/1.gif) top right;
	border: 1px solid url(images/tresc2.jpg);
}
#galeria li {
	float: left;
}
#galeria li a {
	display: block;
	height: 240px;
	width: 46px;
	float: left;
	text-decoration: none;
	border-right: 1px solid url(images/tresc2.jpg);
	background-position:  center;
}
#galeria li a img {
	width: 46px;
	height: 240px;
	border: none;
}
#galeria li a:hover {
	background: url(images/tresc2.jpg);
	width: 320px;
}
#galeria li a:hover img {
	width: 320px;
}