a.home {
	display: block;
	width: 81px;
	height: 41px;
	background-image:url(../img/home_1.gif);
}
a.home:hover, a.home-sel {
	display: block;
	width: 81px;
	height: 41px;
	background-image:url(../img/home_2.gif);
}

a.aboutus {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/aboutus_1.gif);
	border: none;
}
a.aboutus:hover, a.aboutus-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/aboutus_2.gif);
}


a.zhanshi {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/zhanshi_1.gif);
}
a.zhanshi:hover, a.zhanshi-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/zhanshi_2.gif);
}


a.anli {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/anli_1.gif);	
}
a.anli:hover, a.anli-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/anli_2.gif);
}


a.contact {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/contact_1.gif);	
}
a.contact:hover, a.contact-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/contact_2.gif);
}


a.service {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/service_1.gif);	
}
a.service:hover, a.service-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/service_2.gif);
}
a.diaozhuang {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/diaozhuang_1.gif);	
}
a.diaozhuang:hover, a.diaozhuang-sel {
	display: block;
	width: 125px;
	height: 41px;
	background-image:url(../img/diaozhuang_2.gif);
}