<!-- div 1: travel with us -->
function toggleDiv1() {
document.getElementById('div_travelwithus').style.display = "block";
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "block";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "none";
document.getElementById('div_mais_activities').style.display = "block";
document.getElementById('div_mais_travelassistant').style.display = "block";
document.getElementById('div_mais_galleries').style.display = "block";
document.getElementById('div_mais_aboutthecity').style.display = "block";
document.getElementById('div_mais_contact').style.display = "block";
}

function toggleoutDiv1() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "block";
}

<!-- div 2: activities -->
function toggleDiv2() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_activities').style.display = "block";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_menos_activities').style.display = "block";
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "block";
document.getElementById('div_mais_activities').style.display = "none";
document.getElementById('div_mais_travelassistant').style.display = "block";
document.getElementById('div_mais_galleries').style.display = "block";
document.getElementById('div_mais_aboutthecity').style.display = "block";
document.getElementById('div_mais_contact').style.display = "block";
}

function toggleoutDiv2() {
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_mais_activities').style.display = "block";
}

<!-- div 3: travel assistant -->
function toggleDiv3() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_menos_travelassistant').style.display = "block";
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "block";
document.getElementById('div_mais_activities').style.display = "block";
document.getElementById('div_mais_travelassistant').style.display = "none";
document.getElementById('div_mais_galleries').style.display = "block";
document.getElementById('div_mais_aboutthecity').style.display = "block";
document.getElementById('div_mais_contact').style.display = "block";
}

function toggleoutDiv3() {
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_mais_travelassistant').style.display = "block";
}

<!-- div 4: galleries -->
function toggleDiv4() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_menos_galleries').style.display = "block";
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "block";
document.getElementById('div_mais_activities').style.display = "block";
document.getElementById('div_mais_travelassistant').style.display = "block";
document.getElementById('div_mais_galleries').style.display = "none";
document.getElementById('div_mais_aboutthecity').style.display = "block";
document.getElementById('div_mais_contact').style.display = "block";
}

function toggleoutDiv4() {
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_mais_galleries').style.display = "block";
}

<!-- div 5: about the city -->
function toggleDiv5() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_menos_aboutthecity').style.display = "block";
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_travelwithus').style.display = "block";
document.getElementById('div_mais_activities').style.display = "block";
document.getElementById('div_mais_travelassistant').style.display = "block";
document.getElementById('div_mais_galleries').style.display = "block";
document.getElementById('div_mais_aboutthecity').style.display = "none";
document.getElementById('div_mais_contact').style.display = "block";
}

function toggleoutDiv5() {
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_mais_aboutthecity').style.display = "block";
}

<!-- div 6: contact -->
function toggleDiv6() {
document.getElementById('div_travelwithus').style.display = "none";
document.getElementById('div_activities').style.display = "none";
document.getElementById('div_menos_travelwithus').style.display = "none";
document.getElementById('div_menos_activities').style.display = "none";
document.getElementById('div_menos_travelassistant').style.display = "none";
document.getElementById('div_menos_galleries').style.display = "none";
document.getElementById('div_menos_aboutthecity').style.display = "none";
document.getElementById('div_menos_contact').style.display = "block";
document.getElementById('div_mais_travelwithus').style.display = "block";
document.getElementById('div_mais_activities').style.display = "block";
document.getElementById('div_mais_travelassistant').style.display = "block";
document.getElementById('div_mais_galleries').style.display = "block";
document.getElementById('div_mais_aboutthecity').style.display = "block";
document.getElementById('div_mais_contact').style.display = "none";
}

function toggleoutDiv6() {
document.getElementById('div_menos_contact').style.display = "none";
document.getElementById('div_mais_contact').style.display = "block";
}