function changeHome(picture) {
document.home.src = picture;
}

function change2(picture) {
document.theimg2.src = picture;
}
function change3(picture) {
document.theimg3.src = picture;
}
function change4(picture) {
document.theimg4.src = picture
}
function change5(picture) {
document.theimg5.src = picture
}

function changeBand1(picture) {
document.band1.src = picture
}
function changeBand2(picture) {
document.band2.src = picture
}
function changeBand3(picture) {
document.band3.src = picture
}
function changeBand4(picture) {
document.band4.src = picture
}
function changeBand5(picture) {
document.band5.src = picture
}
function changeGuest(picture) {
document.guest.src = picture
}
function changeImm(picture) {
document.immagini.src = picture
}
function changeVid(picture) {
document.video.src = picture
}

function checkEmailAddress(field)
{
  var goodEmail = field.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
  if (goodEmail)
  {
    good = true
  }
  else
  {
    alert('Please enter a valid e-mail address.')
    field.focus()
    field.select()
    good = false
  }
}