#nav_bar {
	height: 20px;
	width: 925px;
	margin: 4px 0px 0px 0px;
	float: right;
	z-index: 1;
    position: relative;


}

#nav_bar a {
	background:transparent url(http://www.myplasticheart.com/Merchant2/mph_imgs/header_nav_buttons.png) no-repeat scroll 0 0;
	display:inline-block;
	height: 20px;
	width: 185px;
}

#nav_bar a.nav_link_contactbout {
	background-position:0 0;
}

#nav_bar a.nav_link_contactbout:hover {
	background-position:0 -20px;
}

#nav_bar a.nav_link_news {
	background-position: -185px 0;
}

#nav_bar a.nav_link_news:hover {
	background-position: -185px -20px;
}

#nav_bar a.nav_link_visit {
	background-position: -370px 0;
}

#nav_bar a.nav_link_visit:hover {
	background-position: -370px -20px;
}

#nav_bar a.nav_link_contact {
	background-position: -555px 0;
}

#nav_bar a.nav_link_contact:hover {
	background-position: -555px -20px;
}

#nav_bar a.nav_link_help {
	background-position: -740px 0;
}

#nav_bar a.nav_link_help:hover {
	background-position: -740px -20px;
}