var ran_unrounded= Math.random()*3;
var randnum = Math.floor(ran_unrounded);
if (randnum < 1) {
randnum = 1;
}
if (randnum > 2) {
randnum = 2;
}
if (randnum == 1) {
var newHTML2 = ('');
document.getElementById('banner').innerHTML = newHTML2;
}
if (randnum == 2) {
var newHTML3 = ('');
document.getElementById('banner').innerHTML = newHTML3;
}