#MAIN_NAV
{
	height: 90px;
	width: 511px;
	text-decoration: none;
	float: right;
	margin: 0px;
	padding-top: 0px;
	padding-right: 0px;
	padding-bottom: 0px;
	}
#MAIN_NAV ul {
	margin: 0px;
	padding: 0px;
}
#MAIN_NAV li {
	display: inline;  
	float: left;
	padding: 0px;
	margin: 0px;
	list-style-type: none;
}
#MAIN_NAV li a{
	display: block;
	font-size: 1px;
	text-indent: -9999px;
	height: 90px;
}

#MAIN_NAV ul li a.nav1 {
    background: url(../images/head/1.png) left top no-repeat; 	width: 168px;
}
#MAIN_NAV ul li a.nav2 {
	background: url(../images/head/2.png) left top no-repeat; 	width: 167px;
}
#MAIN_NAV ul li a.nav3 {
	background: url(../images/head/3.png) left top no-repeat; 	width: 176px;
}


#MAIN_NAV ul li a:hover.nav1 {
	background: url(../images/head/1-1.png) left top no-repeat;
}
#MAIN_NAV ul li a:hover.nav2 {
	background: url(../images/head/2-1.png) left top no-repeat;
}
#MAIN_NAV ul li a:hover.nav3 {
	background: url(../images/head/3-1.png) left top no-repeat;
}