/*__________________________ HAUPTTEIL __________________________*/

#content {
	margin: 0 auto;
	width: 1024px}

#content ul {
	list-style:none;
	margin: 0 auto;
	width: 900px;
	height: 480px;
	margin-bottom: 30px}
#content li {
	float:left;
	display:block;
	width:300px;
	height:245px}
#content ul li a {
	display: block;
	position: relative;
	overflow: hidden;
	width: 300px;
	height: 245px}
#content ul li a span {
	position: absolute;
	width: 100%;
	height: 100%}

#content span {
	position:absolute;
	background-image:url(pic/index.jpg); background-repeat:no-repeat;
	width:300px;
	height:245px}
#content a span {
	cursor: pointer}

#content #ld a span{
	background-position:-15px 0px}
#content #ld a:hover span {
	background-position:-15px -500px}

#content #laser a span{
	background-position:-325px 0px}
#content #laser a:hover  span{
	background-position:-325px -500px}

#content #led a  span{
	background-position:-635px 0px}
#content #led a:hover  span{
	background-position:-635px -500px}

#content #det a  span{
	background-position:-15px -250px}
#content #det a:hover  span{
	background-position:-15px -750px}

#content #opt a  span{
	background-position: -325px -250px}
#content #opt a:hover  span{
	background-position: -325px -750px}

#content #acc a span {
	background-position:-635px -250px}
#content #acc a:hover  span{
	background-position:-635px -750px}