#slideshow {
	position:relative;
	height:500px;
}
#slideshow ul {
	margin:0;
	padding:0;
}
#slideshow li {
	position:absolute;
	height:500px;
	margin:0;
	padding:0;
	background-position:center top;
	background-repeat:no-repeat;
	list-style:outside none; 
}