.master_class {
	background:  url(bgcontainerbl.jpg) repeat-y;
	margin-right: auto;
	margin-left: auto;
	width: 680px;
	height: 800px;
	background-color: #666666;
	position: relative;
}
.navigation {
	margin: 0;
	background-color: #000000;
	position: absolute;
	left: 25px;
	top: 0px;
	width: 632px;
	height: 53px;
	background-repeat: no-repeat;
}

.navigation a {
	color: #00FFFF;
	font: normal 12pt/50px serif;
	margin: 0 16px;
	text-decoration: none;
	text-align: center;
}


.gfx {
	background:  url(gfx4_bl.jpg) no-repeat;
	float: left;
	height: 140px;
	margin-top: 12px;
	width: 52px;
	position: absolute;
	top: 5px;
	left: -27px;
}


.header {
	background: #499AC5 no-repeat;
	color: #FFC;
	font-size: 1.4em;
	height: 232px;
	position: absolute;
	top: 64px;
	left: 25px;
	width: 632px;
}
.pattern {
	background: url(patternbl%20long.jpg) repeat-x left;
	clear: both;
	height: 12px;
	top: 296px;
	position: absolute;
	left: 25px;
	width: 632px;
}
.pattern1 {
	position: absolute;
	height: 12px;
	left: 25px;
	top: 53px;
	background-image: url(patternbl%20long.jpg);
	width: 632px;
}
/* content */
.content {
	background:  url(bgcontent.gif) no-repeat;
	clear: both;
	font-size: 1.2em;
	margin: 0;
	padding: 0;
	width: 632px;
	top: 308px;
	position: absolute;
	left: 25px;
	height: 600px;
}
.footer {
	background:  url(bgfooterbl.gif) no-repeat;
	color: #666;
	font-size: 1.1em;
	line-height: 41px;
	margin: 0 auto;
	text-align: center;
	width: 632px;
	top: 760px;
	position: absolute;
	left: 25px;
}

.footer a {
	color: #666;
	text-decoration: none;
}

.footer a:hover {
	color: #333;
	text-decoration: underline;
}
.nav1 {
	background-color: #333333;
	position: absolute;
	left: 66px;
	top: 0px;
	height: 52px;
	width: 100px;
}
.nav2 {
	background-color: #666666;
	position: absolute;
	height: 52px;
	width: 100px;
	left: 166px;
	top: 0px;
}
.nav3 {
	background-color: #999999;
	position: absolute;
	height: 52px;
	width: 100px;
	left: 266px;
	top: 0px;
}
.nav4 {
	background-color: #666666;
	position: absolute;
	height: 52px;
	width: 100px;
	left: 366px;
	top: 0px;
}
.nav5 {
	background-color: #999999;
	position: absolute;
	height: 52px;
	width: 100px;
	left: 466px;
	top: 0px;
}