#slideshow {	
	overflow: hidden;
	/*margin: 50px auto 10px;*/
	position: relative;
	width: 490px;
	height: 325px;
}

#slideshow img {
	display: none;
	position: absolute;
	top: 0;
	left: 0;
}

#slideshow_fisso {
	position: relative;
	width: 490px;
	height: 325px;
	overflow: hidden;
}