#nav{
	width:867px;
	height:33px;
	overflow:hidden;
	clear:both;
}

#nav #btn1 a{
	background: url(site_images/nav_1.gif) left top no-repeat;
	text-decoration: none;
	width:68px;
	height:33px;
	float:left;
}

#nav #btn1 a:hover{
	background-position: 0 -33px;
}

#nav #btn2 a{
	background: url(site_images/nav_2.gif) left top no-repeat;
	text-decoration: none;
	width:115px;
	height:33px;
	float:left;
}

#nav #btn2 a:hover{
	background-position: 0 -33px;
}

#nav #btn3 a{
	background: url(site_images/nav_3.gif) left top no-repeat;
	text-decoration: none;
	width:109px;
	height:33px;
	float:left;
}

#nav #btn3 a:hover{
	background-position: 0 -33px;
}

#nav #btn4 a{
	background: url(site_images/nav_4.gif) left top no-repeat;
	text-decoration: none;
	width:102px;
	height:33px;
	float:left;
}

#nav #btn4 a:hover{
	background-position: 0 -33px;
}

#nav #btn5 a{
	background: url(site_images/nav_5.gif) left top no-repeat;
	text-decoration: none;
	width:127px;
	height:33px;
	float:left;
}

#nav #btn5 a:hover{
	background-position: 0 -33px;
}

#nav #btn6 a{
	background: url(site_images/nav_6.gif) left top no-repeat;
	text-decoration: none;
	width:111px;
	height:33px;
	float:left;
}

#nav #btn6 a:hover{
	background-position: 0 -33px;
}

#nav #btn7 a{
	background: url(site_images/nav_7.gif) left top no-repeat;
	text-decoration: none;
	width:99px;
	height:33px;
	float:left;
}

#nav #btn7 a:hover{
	background-position: 0 -33px;
}

#nav #left {
	background: url(site_images/nav_left.gif) left top no-repeat;
	text-decoration: none;
	width:70px;
	height:33px;
	float:left;
}

#nav #right {
	background: url(site_images/nav_right.gif) left top no-repeat;
	text-decoration: none;
	width:66px;
	height:33px;
	float:left;
}

body#home #nav #btn1 a{
	background: url(site_images/nav_1.gif) left top no-repeat;
	text-decoration:none;
	width:68px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#consulting #nav #btn2 a{
	background: url(site_images/nav_2.gif) left top no-repeat;
	text-decoration:none;
	width:115px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#education #nav #btn3 a{
	background: url(site_images/nav_3.gif) left top no-repeat;
	text-decoration:none;
	width:109px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#research #nav #btn4 a{
	background: url(site_images/nav_4.gif) left top no-repeat;
	text-decoration:none;
	width:102px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#institute #nav #btn5 a{
	background: url(site_images/nav_5.gif) left top no-repeat;
	text-decoration:none;
	width:127px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#resources #nav #btn6 a{
	background: url(site_images/nav_6.gif) left top no-repeat;
	text-decoration:none;
	width:111px;
	height:33px;
	float:left;
	background-position:0 -33px;
}

body#contact #nav #btn7 a{
	background: url(site_images/nav_7.gif) left top no-repeat;
	text-decoration:none;
	width:99px;
	height:33px;
	float:left;
	background-position:0 -33px;
}