// Affiche le champ sélectionné et masque les autres
function showChamp(rad,lim,num)
{
     for(var n=1;n<=lim;n++)
     {
          var tel=rad + n;
          var alt = document.getElementById(tel);
          if(n==num)
          alt.style.display = 'block';
          else
          alt.style.display = 'none';
     }
}
// changement de style
function changeClass(rad,lim,num,cl0,cl1)
{
     for(var n=1;n<=lim;n++)
     {
          var tel=rad + n;
          var alt = document.getElementById(tel);
          if(n==num)
          {
          alt.className = cl0;
          }
          else
          {
          alt.className = cl1;
          }
     }
}
function changeStyle(rad,lim,num)
{
     for(var n=1;n<=lim;n++)
     {
          var tel=rad + n;
          var alt = document.getElementById(tel);
          if(n==num)
          {
               alt.style.backgroundColor = '#FFF';
               alt.style.borderLeftColor = '#636363';
               alt.style.borderLeftStyle = 'solid';
               alt.style.borderLeftWidth = '1px';
               alt.style.borderRight = 'none';
          }
          else
          {
               alt.style.backgroundColor = '#DDDDDD';
               alt.style.borderRightColor = '#636363';
               alt.style.borderRightStyle = 'solid';
               alt.style.borderRightWidth = '1px';
               alt.style.borderLeft = 'none';
          }
     }
}
function voir_cr()
{
          var alt = document.getElementById('cr');
          alt.style.display = 'block';
}
function masquer_cr()
{
          var alt = document.getElementById('cr');
          alt.style.display = 'none';
}