function popup(nr)
{
 if (nr==1) window.open("legal.php","","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=400,height=500,top=130,left=300");
 if (nr==2) window.open("popuptarif.php","","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=500,height=500,top=140,left=280");
 if (nr==3) window.open("popupplan.php","","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=484,height=390,top=140,left=280");
 if (nr==4) window.open("video1.php","","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=400,height=400,top=60,left=200");  
}

function deplaceCalque(idCalque,posX,posY)
{
  calqueStyle = styleCalque(idCalque);
  calqueStyle.left = posX;
  calqueStyle.top = posY;
}

function styleCalque(idCalque)
{
  if (document.all) calqueStyle = document.all[idCalque].style;
  if (document.layers) calqueStyle = document.layers[idCalque];
  if (document.getElementById) 
  calqueStyle = document.getElementById(idCalque).style;
  return calqueStyle;
}

function cacheCalque()
{
  styleCalque('Calque1').visibility = "hidden";
  styleCalque('Calque2').visibility = "hidden";
  styleCalque('Calque3').visibility = "hidden";
  styleCalque('Calque4').visibility = "hidden";
}

function affcalque(nrCalque)
{
  cacheCalque();
  if(nrCalque==1) styleCalque('Calque1').visibility = "visible";
  if(nrCalque==2) styleCalque('Calque2').visibility = "visible";
  if(nrCalque==3) styleCalque('Calque3').visibility = "visible";
  if(nrCalque==4) styleCalque('Calque4').visibility = "visible";
}