ie = document.all;
ns6 = !document.all


function debut()
{  
  var i=0;
  while(i<3)
  {
    i++;
    var ident1 = 'choixdest'+i;
    var ident2 = 'dest'+i;
    document.getElementById(ident1).onclick = destinataire;
    document.getElementById('bouton1').onmouseover = rollover1;
    document.getElementById('bouton2').onmouseover = rollover2;
    document.getElementById('bouton3').onmouseover = rollover3;
    document.getElementById('imgferm').onmouseover = rollover4;
    document.getElementById('imgferm').onclick = fermeture;
    if(document.getElementById(ident1).checked)
    {
      document.getElementById(ident2).style.display = "block";
    }
  }
  document.getElementById('adressesupp').onclick = adresse;
  if(document.getElementById('adressesupp').checked)
  {
    document.getElementById('parents').style.display = "block";
  }
}

function destinataire()
{
  var i=0;
  while(i<3)
  {
    i++;
    var ident1 = 'choixdest'+i;
    var ident2 = 'dest'+i;
    if(document.getElementById(ident1).checked)
    {
      document.getElementById(ident2).style.display = "block";
    }else{
      document.getElementById(ident2).style.display = "none";
    }
  }
}

function adresse()
{
  if(document.getElementById('adressesupp').checked)
  {
    document.getElementById('parents').style.display = "block";
  }else{
    document.getElementById('parents').style.display = "none";
  }
}

function rollover1()
{
  document.getElementById('bouton1').src = "images/formimg_a.jpg";
  document.getElementById('bouton1').onmouseout = rollout1;
}

function rollout1()
{
  document.getElementById('bouton1').src = "images/formimg.jpg"
}

function rollover2()
{
  document.getElementById('bouton2').src = "images/formimg_a.jpg";
  document.getElementById('bouton2').onmouseout = rollout2;
}

function rollout2()
{
  document.getElementById('bouton2').src = "images/formimg.jpg"
}

function rollover3()
{
  document.getElementById('bouton3').src = "images/formimg_a.jpg";
  document.getElementById('bouton3').onmouseout = rollout3;
}

function rollout3()
{
  document.getElementById('bouton3').src = "images/formimg.jpg"
}

function rollover4()
{
  document.getElementById('imgferm').src = "images/croix_a.gif";
  document.getElementById('imgferm').onmouseout = rollout4;  
}

function rollout4()
{
  document.getElementById('imgferm').src = "images/croix.gif"
}

function fermeture()
{
  document.getElementById('avertissement').style.display = "none";
}