ul#nav_main {
	list-style-type: none;
	position: relative;
	left: 0;
	width: 299px;
	height: 27px;
	margin: 0;
	padding: 0;
	text-align: center;
}


li#nm_1 {
	position: absolute;
	top: 0px;
	left: 0px;
	width: 60px;
	height: 27px;
	text-align: center;
	background-image: url(../images/nav/nav01_home.png);
	background-repeat: no-repeat;
}
li#nm_2 {
	position: absolute;
	top: 0px;
	left: 60px;
	width: 60px;
	height: 27px;
	text-align: center;
	background-image: url(../images/nav/nav02_about.png);
	background-repeat: no-repeat;
}

li#nm_3 {
	position: absolute;
	top: 0px;
	left: 120px;
	width: 59px;
	height: 27px;
	text-align: center;
	background-image: url(../images/nav/nav03_services.png);
	background-repeat: no-repeat;
}

li#nm_4 {
	position: absolute;
	top: 0px;
	left: 179px;
	width: 60px;
	height: 27px;
	text-align: center;
	background-image: url(../images/nav/nav04_projects.png);
	background-repeat: no-repeat;
}

li#nm_5 {
	position: absolute;
	top: 0px;
	left: 239px;
	width: 60px;
	height: 27px;
	text-align: center;
	background-image: url(../images/nav/nav05_contact.png);
	background-repeat: no-repeat;
}


ul#nav_main a {display: block;
width: 299px;
height: 27px;
text-indent: -9999px;
text-decoration: none;
overflow: hidden; 
}




#home li#nm_1 a {
	background-image: url(../images/nav/nav01_home-on.png);
	background-repeat: no-repeat;
}
#about li#nm_2 a {
	background-image: url(../images/nav/nav02_about-on.png);
	background-repeat: no-repeat;
}
#services li#nm_3 a {
	background-image: url(../images/nav/nav03_services-on.png);
	background-repeat: no-repeat;
}
#projects li#nm_4 a {
	background-image: url(../images/nav/nav04_projects-on.png);
	background-repeat: no-repeat;
}
#contact li#nm_5 a {
	background-image: url(../images/nav/nav05_contact-on.png);
	background-repeat: no-repeat;
}





li#nm_1 a:hover {
	background-image: url(../images/nav/nav01_home-on.png);
	background-repeat: no-repeat;
}
li#nm_2 a:hover {
	background-image: url(../images/nav/nav02_about-on.png);
	background-repeat: no-repeat;
}
li#nm_3 a:hover {
	background-image: url(../images/nav/nav03_services-on.png);
	background-repeat: no-repeat;
}
li#nm_4 a:hover {
	background-image: url(../images/nav/nav04_projects-on.png);
	background-repeat: no-repeat;
}
li#nm_5 a:hover {
	background-image: url(../images/nav/nav05_contact-on.png);
	background-repeat: no-repeat;
}