function mostrardiv1() {
div = document.getElementById('flotante1');
div.style.display = '';
}

function cerrar1() {
div = document.getElementById('flotante1');
div.style.display='none';
}

function mostrardiv2() {
div = document.getElementById('flotante2');
div.style.display = '';
}

function cerrar2() {
div = document.getElementById('flotante2');
div.style.display='none';
}

function mostrardiv3() {
div = document.getElementById('flotante3');
div.style.display = '';
}

function cerrar3() {
div = document.getElementById('flotante3');
div.style.display='none';
}

function mostrardiv4() {
div = document.getElementById('flotante4');
div.style.display = '';
}

function cerrar4() {
div = document.getElementById('flotante4');
div.style.display='none';
}

function mostrardivN() {
div = document.getElementById('flotanteN');
div.style.display = '';
}

function cerrarN() {
div = document.getElementById('flotanteN');
div.style.display='none';
}