// IMAGEN ALEATORIA

function randRange(lowVal,highVal) {
return Math.floor(Math.random()*(highVal-lowVal+1))+lowVal;
}

var randHdr = randRange(1,7);

if (randHdr == 1) {
document.write('<img src="imagenes/imagen1.jpg">')
} else if (randHdr == 2) {
document.write('<img src="imagenes/imagen2.jpg">')
} else if (randHdr == 3) {
document.write('<img src="imagenes/imagen3.jpg">')
} else if (randHdr == 4) {
document.write('<img src="imagenes/imagen4.jpg">')
} else if (randHdr == 5) {
document.write('<img src="imagenes/imagen5.jpg">')
} else if (randHdr == 6) {
document.write('<img src="imagenes/imagen6.jpg">')
} else if (randHdr == 7) {
document.write('<img src="imagenes/imagen7.jpg">')
}