function chargeSSTheme(liste)
{
  var n=liste.options[liste.selectedIndex].value;
  
  if(n==0) {
    document.getElementById('stid2').style.display = "none";
    document.getElementById('stid2').options[0].selected = true;
    document.getElementById('stidLabel').style.display = "none";
  } else {
    document.getElementById('stid2').style.display = "block";
    document.getElementById('stidLabel').style.display = "block";
  	var url = 'changeListeSSTheme.php?tid='+n;
  	var pars = '';	
  	var myAjax = new Ajax.Updater('stid2', url);
  }
  //alert(n);
}