#menu_materiais {
	width: 52px;
	float: left;
	margin-top: -30px;
	margin-left: -15px;
}

.menu_materiais_zinco_1 a, .menu_materiais_zinco_1 a:visited {
	background-image: url("../images/submenu/zinco_1.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_zinco_1 a:hover, .menu_materiais_zinco_1_selected {
	background-image: url("../images/submenu/zinco_1_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}

.menu_materiais_zinco_2 a, .menu_materiais_zinco_2 a:visited {
	background-image: url("../images/submenu/zinco_2.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_zinco_2 a:hover, .menu_materiais_zinco_2_selected {
	background-image: url("../images/submenu/zinco_2_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}

.menu_materiais_zinco_3 a, .menu_materiais_zinco_3 a:visited {
	background-image: url("../images/submenu/zinco_3.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_zinco_3 a:hover, .menu_materiais_zinco_3_selected {
	background-image: url("../images/submenu/zinco_3_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}

.menu_materiais_cobre_1 a, .menu_materiais_cobre_1 a:visited {
	background-image: url("../images/submenu/cobre_1.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_cobre_1 a:hover, .menu_materiais_cobre_1_selected {
	background-image: url("../images/submenu/cobre_1_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}

.menu_materiais_cobre_2 a, .menu_materiais_cobre_2 a:visited {
	background-image: url("../images/submenu/cobre_2.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_cobre_2 a:hover, .menu_materiais_cobre_2_selected {
	background-image: url("../images/submenu/cobre_2_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}

.menu_materiais_cobre_3 a, .menu_materiais_cobre_3 a:visited {
	background-image: url("../images/submenu/cobre_3.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}
.menu_materiais_cobre_3 a:hover, .menu_materiais_cobre_3_selected {
	background-image: url("../images/submenu/cobre_3_selected.jpg");
	width: 52px;
	height: 52px;
	float: left;
	margin-top: 10px;
}