function mostra1() {
        document.getElementById('cont1').style.display = 'block';
}
function esconde1() {
        document.getElementById('cont1').style.display = 'none';
}
function mostra2() {
        document.getElementById('cont2').style.display = 'block';
}
function esconde2() {
        document.getElementById('cont2').style.display = 'none';
}
function mostra3() {
        document.getElementById('cont3').style.display = 'block';
}
function esconde3() {
        document.getElementById('cont3').style.display = 'none';
}
function mostra4() {
        document.getElementById('cont4').style.display = 'block';
}
function esconde4() {
        document.getElementById('cont4').style.display = 'none';
}
function mostra5() {
        document.getElementById('cont5').style.display = 'block';
}
function esconde5() {
        document.getElementById('cont5').style.display = 'none';
}
function mostra6() {
        document.getElementById('cont6').style.display = 'block';
}
function esconde6() {
        document.getElementById('cont6').style.display = 'none';
}
function mostra7() {
        document.getElementById('cont7').style.display = 'block';
}
function esconde7() {
        document.getElementById('cont7').style.display = 'none';
}
function mostra8() {
        document.getElementById('cont8').style.display = 'block';
}
function esconde8() {
        document.getElementById('cont8').style.display = 'none';
}