function afficheId(baliseId)
  {
  if (document.getElementById && document.getElementById(baliseId) != null)
    {
    document.getElementById(baliseId).style.visibility='visible';
    document.getElementById(baliseId).style.display='block';
    }
  }

function cacheId(baliseId)
  {
  if (document.getElementById && document.getElementById(baliseId) != null)
    {
    document.getElementById(baliseId).style.visibility='hidden';
    document.getElementById(baliseId).style.display='none';
    }
  }

function clickId(lazone)
{
         for (i=1; i<=7; i++){
             if ( i!=lazone)
             {
             cacheId('zone'+ i.toString(10) );
             }
         }
         afficheId( 'zone' + lazone.toString(10));
}

function scss(sid, tid)
{
     document.getElementById(sid).style.cursor = tid;
}

function hcss(sid)
{
     document.getElementById(sid).style.cursor = 'default';
}

function charge()
{
	clickId(1);
}

function noclic(clic) {
var mess="Erreur 2395648265654265653..."; //changer le message
if (navigator.appName == 'Netscape' && clic.which==3) {
alert(mess);
}
else
if (navigator.appName == 'Microsoft Internet Explorer' && event.button==2) {
alert(mess);
}}
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown = noclic;