@charset "UTF-8";







	div.header p {
		position: relative;
		left: 10px;
		width: 680px;
		height: 33px;
		margin: -33px auto 0;
		background: none;
	}









.nav {
	background: url(/img/common/nav/bg_menubluck_alpha.png) repeat-x;
	text-align: center;
	overflow: hidden;
	
zoom: 1;
}

	.nav h2 {
		float: left;
		position: relative;
		left: 50%;
	}

		.nav h2 span {
			display: block;
			position: relative;
			right: 490%;
			padding-bottom: 23px;
			background: url(/img/common/nav/triagle_black_alpha.png) no-repeat left bottom;
		}

	.nav ul {
		float: left;
		position: relative;
		left: 50%;
	}

		.nav ul li {
			float: left;
			position: relative;
			right: 50%;
		}


/* btn */

.nav ul li a {
	display: block;
	width: 120px;
	height: 31px;
}

	.nav ul li a:hover {
		zoom: 1;
	}

	.nav ul li a:hover img {
		position: absolute;
		width: 0;
		height: 0;
		overflow: hidden;
	}

.nav ul li.colab a {
	background: url(/img/common/nav/colab_on.gif) no-repeat;
}
.nav ul li.colabv6 a {
	background: url(/img/common/nav/colabv6_on.gif) no-repeat;
}
.nav ul li.datasets a {
	background: url(/img/common/nav/datasets_on.gif) no-repeat;
}
.nav ul li.src a {
	background: url(/img/common/nav/src_on.gif) no-repeat;
}