body {
	margin: 0;
	padding: 0;
	background: #000;
	width: 100%;
}

#side-a {
	width: 33px;
	top: 215px;
	left: 0;
	position: fixed;
	z-index: 100000;
}

#side-b {
	width: 33px;
	top: 215px;
	right: 0;
	position: fixed;
	z-index: 100000;
}

#middle { 
	width: 93%;
	height: 550px;
	margin: 0px auto 0px;
	
}


#side-a #prev_inner {
	display:block;
	width: 33px;
	height: 98px;
	margin: 0;
}

#side-a #prev_inner a:link, #side-a #prev_inner a:visited {
	display:block;
	width: 33px;
	height: 98px;
	background: #000 url(diapo_prev.jpg) top left no-repeat;
}

#side-a #prev_inner a:hover {
	display:block;
	width: 33px;
	height: 98px;
	background: #000 url(diapo_prev.jpg) bottom left no-repeat;
}



#side-b #next_inner {
	display:block;
	width: 33px;
	height: 98px;
	margin:0;
}

#side-b #next_inner a:link, #side-b #next_inner a:visited {
	display:block;
	width: 33px;
	height: 98px;
	background: #000 url(diapo_next.jpg) top left no-repeat;
}

#side-b #next_inner a:hover {
	display:block;
	width: 33px;
	height: 98px;
	background: #000 url(diapo_next.jpg) bottom left no-repeat;
}