UL {
	DISPLAY: inline
}
LI {
	DISPLAY: inline
}
#top_nav {
	PADDING-BOTTOM: 0px; LIST-STYLE-TYPE: none; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; LIST-STYLE-IMAGE: none; PADDING-TOP: 0px
}
#top_nav LI {
	FLOAT: left
}
#top_nav A * {
	DISPLAY: none
}
#top_nav A {
	POSITION: relative; 
	DISPLAY: block; 
	BACKGROUND:url(../img/top_nav.png) no-repeat 0px 0px; 
	HEIGHT: 40px
}
#top_nav A .hover {
	POSITION: relative; 
	DISPLAY: block; 
	BACKGROUND:url(../img/top_nav.png) no-repeat 0px 0px; 
	HEIGHT: 40px
}

/* Btn Home */
#top_nav A.home {
	WIDTH: 110px;
	BACKGROUND-POSITION: 0px 0px
}
#top_nav .highlight A.home:hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: 0px -40px
}
#top_nav A.home .hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: 0px -40px
}

/* Btn Work */
#top_nav A.work {
	WIDTH: 110px;
	BACKGROUND-POSITION: -110px 0px
}
#top_nav .highlight A.work:hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -110px -40px
}
#top_nav A.work .hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -110px -40px
}

/* Btn about */
#top_nav A.about {
	WIDTH: 110px;
	BACKGROUND-POSITION: -220px 0px
}
#top_nav .highlight A.about:hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -220px -40px
}
#top_nav A.about .hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -220px -40px
}

/* Btn lab */
#top_nav A.lab {
	WIDTH: 110px;
	BACKGROUND-POSITION: -330px 0px
}
#top_nav .highlight A.lab:hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -330px -40px
}
#top_nav A.lab .hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -330px -40px
}

/* Btn contact */
#top_nav A.contact {
	WIDTH: 110px;
	BACKGROUND-POSITION: -440px 0px
}
#top_nav .highlight A.contact:hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -440px -40px
}
#top_nav A.contact .hover {
	WIDTH: 110px; 
	BACKGROUND-POSITION: -440px -40px
}