a.menu1, a.menu2, a.menu3, a.menu4, a.menu5 {
	display: block;
	float: left; 
	position: relative;
	width: 20px;
	height: 20px;
	margin: 0 5px;
	cursor: pointer;
	text-indent: -1000000px;
}
a.menu1:link, a.menu1:visited {
	background: url(../images/menu1_n.png);
}
a.menu1:hover, a.menu1:active {
	background: url(../images/menu1_h.png);
}
a.menu2:link, a.menu2:visited {
	background: url(../images/menu2_n.png);
}
a.menu2:hover, a.menu2:active {
	background: url(../images/menu2_h.png);
}
a.menu3:link, a.menu3:visited {
	background: url(../images/menu3_n.png);
}
a.menu3:hover, a.menu3:active {
	background: url(../images/menu3_h.png);
}
a.menu4:link, a.menu4:visited {
	background: url(../images/menu4_n.png);
}
a.menu4:hover, a.menu4:active {
	background: url(../images/menu4_h.png);
}
a.menu5:link, a.menu5:visited {
	background: url(../images/menu5_n.png);
}
a.menu5:hover, a.menu5:active {
	background: url(../images/menu5_h.png);
}