div #intro {
	margin: 0 auto;
	padding: 15px;
	width: 894px;
	height: 290px;
	font: normal normal bold 13px/ 30px "Trebuchet MS";
	background: transparent url(class_viewer_FILES/div_intro.gif) left top no-repeat;
}

div .buttons {
	margin: 0px 15px 0px 0px;
	width: 135px;
	background: transparent;
	display: block;
	float: left;
}

div .buttons span {
	margin: 0px 0px 10px 0px;
	width: 135px;
	height: 80px;
	text-align: left;
	color: #000;
	border: 2px solid #cff103;
	display: block;
	float: left;
	overflow: hidden;
	cursor: pointer;
}

div .buttons span.active,div .buttons span:hover {
	border: 2px solid #fff;
}

div .buttons img {
	width: 135px;
	height: 80px;
}

div #box1,div #box2,div #box3,div #box4,div #box5 {
	position: absolute;
}

div #box5 div {
	position: absolute;
	padding: 0px 0px 0px 0px;
	width: 720px;
	height: 280px;
	text-align: left;
	background: transparent;
	display: block;
	float: left;
}

div #box5 img {
	position: static;
	margin: 0px 15px 0px 0px;
	width: 445px;
	height: 266px;
	border: 2px solid #fff;
	float: left;
}

div #box5 div h3 {
	margin: 0px 0px 10px 0px;
	font-size: 16px;
	line-height: 20px;
	color: #fff;
}

div #box5 p {
	margin: 0px 0px 10px 0px;
	font-size: 13px;
	color: #fff;
}


div #box5 p a:link, 
div #box5 p a:visited {
color: #fff;
font-weight:bold;
text-decoration:underline;
}

div #box5 p a:hover, 
div #box5 p a:active {
font-weight:bold;
text-decoration:none;
}



div .mask {
	position: relative;
	padding: 0px 0px 0px 0px;
	width: 720px;
	height: 270px;
	background: transparent;
	overflow: hidden;
}

div .mask img {
	position: absolute;
	display: block;
	border: none;
}
/* Sample 5
#box5 div{
	position:absolute;
	background:#fff;
	width:480px;
	height:240px;
}
#box5 h3{
	padding:0 0 10px 0;
}
#box5 img{
	position:static;
	float:left;
	width:200px;
	height:140px;
	margin:0 10px 10px 0;
}
.mask{
	position:relative;
	width:480px;
	height:240px;
	overflow:hidden;
}
.mask img{
	position:absolute;
	display:block;
	border:none;
}
*/