/*

	-- -- -- -- -- -- --
	css sprites2
	nav style, with style for scripted elements

	http://www.alistapart.com/articles/sprites2
	-- -- -- -- -- -- --
	499 x 195 was 401x95
	
	
body {
	color: #000;
	background: #fff;
}
*/



.nav {
	width: 499px;
	height: 48px;
	background: url(sd-nav.gif) no-repeat;
	position: absolute;
	top: 5px;
	left: 180px;
}
.nav li {
	display: inline;
}
.nav li a:link, .nav li a:visited {
	position: absolute;
	top: 0;
	height: 48px;
	text-indent: -9000px;
	overflow: hidden;
	z-index: 10;
}

/*----------Home is good-----------------*/
	.nav .home a:link, .nav .home a:visited {
		left: 23px;
		width: 76px;
	}
	.nav .home a:hover, .nav .home a:focus {
		background: url(sd-nav.gif) no-repeat -23px -49px;
	}
	.nav .home a:active {
		background: url(sd-nav.gif) no-repeat -23px -98px;
	}
	.current-home .home a:link, .current-home .home a:visited {
		background: url(sd-nav.gif) no-repeat -23px -147px;
		cursor: default;
	}
	.nav-home, .nav-home-click {
		position: absolute;
		top: 0;
		left: 23px;
		width: 76px;
		height: 48px;
		background: url(sd-nav.gif) no-repeat -23px -49px;
	}
	.nav-home-click {
		background: url(sd-nav.gif) no-repeat -23px -98px;
	}



/*----------Products-----------------*/
	.nav .services a:link, .nav .services a:visited {
		left: 100px;
		width: 81px;
	}
	.nav .services a:hover, .nav .services a:focus {
		background: url(sd-nav.gif) no-repeat -100px -49px;
	}
	.nav .services a:active {
		background: url(sd-nav.gif) no-repeat -100px -98px;
	}
	.current-services .services a:link, .current-services .services a:visited {
		background: url(sd-nav.gif) no-repeat -100px -147px;
		cursor: default;
	}
	.nav-services, .nav-services-click {
		position: absolute;
		top: 0;
		left: 100px;
		width: 81px;
		height: 48px;
		background: url(sd-nav.gif) no-repeat -100px -49px;
	}
	.nav-services-click {
		background: url(sd-nav.gif) no-repeat -100px -98px;
	}
	

/*----------Cae Stuies----------------*/
	.nav .studies a:link, .nav .studies a:visited {
		left: 182px;
		width: 98px;
	}
	.nav .studies a:hover, .nav .studies a:focus {
		background: url(sd-nav.gif) no-repeat -182px -49px;
	}
	.nav .studies a:active {
		background: url(sd-nav.gif) no-repeat -182px -98px;
	}
	.current-studies .studies a:link, .current-studies .studies a:visited {
		background: url(sd-nav.gif) no-repeat -182px -147px;
		cursor: default;
	}
	.nav-studies, .nav-studies-click {
		position: absolute;
		top: 0;
		left: 182px;
		width: 98px;
		height: 48px;
		background: url(sd-nav.gif) no-repeat -182px -49px;
	}
	.nav-studies-click {
		background: url(sd-nav.gif) no-repeat -182px -98px;
	}

/*----------About -----------------*/
	.nav .about a:link, .nav .about a:visited {
		left: 281px;
		width: 97px;
	}
	.nav .about a:hover, .nav .about a:focus {
		background: url(sd-nav.gif) no-repeat -281px -49px;
	}
	.nav .about a:active {
		background: url(sd-nav.gif) no-repeat -281px -98px;
	}
	.current-about .about a:link, .current-about .about a:visited {
		background: url(sd-nav.gif) no-repeat -281px -147px;
		cursor: default;
	}
	.nav-about, .nav-about-click {
		position: absolute;
		top: 0;
		left: 281px;
		width: 97px;
		height: 48px;
		background: url(sd-nav.gif) no-repeat -281px -49px;
	}
	.nav-about-click {
		background: url(sd-nav.gif) no-repeat -281px -98px;
	}
/*---------------------------*/

	.nav .contact a:link, .nav .contact a:visited {
		left: 379px;
		width: 97px;
	}
	.nav .contact a:hover, .nav .contact a:focus {
		background: url(sd-nav.gif) no-repeat -379px -49px;
	}
	.nav .contact a:active {
		background: url(sd-nav.gif) no-repeat -379px -98px;
	}
	.current-contact .contact a:link, .current-contact .contact a:visited {
		background: url(sd-nav.gif) no-repeat -379px -147px;
		cursor: default;
	}
	.nav-contact, .nav-contact-click {
		position: absolute;
		top: 0;
		left: 379px;
		width: 97px;
		height: 48px;
		background: url(sd-nav.gif) no-repeat -379px -49px;
	}
	.nav-contact-click {
		background: url(sd-nav.gif) no-repeat -379px -98px;
	}