.menu_1 a, .menu_1 a:visited {
	background-image: url("../images/menu/inicio.jpg");
	width: 57px;
	height: 85px;
	float: left;
}
.menu_1 a:hover  {
	background-image: url("../images/menu/inicio_sel.jpg");
	width: 57px;
	height: 85px;
	float: left;
}

.menu_1_selected a {
	background-image: url("../images/menu/inicio_sel.jpg");
	width: 57px;
	height: 85px;
	float: left;
}

.menu_2 a, .menu_2 a:visited {
	background-image: url("../images/menu/empresa.jpg");
	width: 74px;
	height: 85px;
	float: left;
}
.menu_2 a:hover {
	background-image: url("../images/menu/empresa_sel.jpg");
	width: 74px;
	height: 85px;
	float: left;
}

.menu_2_selected a {
	background-image: url("../images/menu/empresa_sel.jpg");
	width: 74px;
	height: 85px;
	float: left;
}

.menu_3 a, .menu_3 a:visited {
	background-image: url("../images/menu/portefolio.jpg");
	width: 76px;
	height: 85px;
	float: left;
}
.menu_3 a:hover {
	background-image: url("../images/menu/portefolio_sel.jpg");
	width: 76px;
	height: 85px;
	float: left;
}

.menu_3_selected a {
	background-image: url("../images/menu/portefolio_sel.jpg");
	width: 76px;
	height: 85px;
	float: left;
}

.menu_4 a, .menu_4 a:visited {
	background-image: url("../images/menu/materiais.jpg");
	width: 78px;
	height: 85px;
	float: left;
}
.menu_4 a:hover {
	background-image: url("../images/menu/materiais_sel.jpg");
	width: 78px;
	height: 85px;
	float: left;
}

.menu_4_selected a {
	background-image: url("../images/menu/materiais_sel.jpg");
	width: 78px;
	height: 85px;
	float: left;
}

.menu_5 a, .menu_5 a:visited {
	background-image: url("../images/menu/contactos.jpg");
	width: 94px;
	height: 85px;
	float: left;
}
.menu_5 a:hover {
	background-image: url("../images/menu/contactos_sel.jpg");
	width: 94px;
	height: 85px;
	float: left;
}

.menu_5_selected a {
	background-image: url("../images/menu/contactos_sel.jpg");
	width: 94px;
	height: 85px;
	float: left;
}

.menu_6 a, .menu_6 a:visited {
	background-image: url("../images/menu/localizacao.jpg");
	width: 144px;
	height: 85px;
	float: left;
}
.menu_6 a:hover {
	background-image: url("../images/menu/localizacao_sel.jpg");
	width: 144px;
	height: 85px;
	float: left;
}

.menu_6_selected a {
	background-image: url("../images/menu/localizacao_sel.jpg");
	width: 144px;
	height: 85px;
	float: left;
}