function getNoeud( id ) {
  if( document.getElementById )
  	return document.getElementById( id );
  else if( document.all && document.all( id ) )
  	return document.all( id );
  else if( document.layers && document.layers[ id ] )
  	return document.layers[ id ];
  else
  	return false;
}

function showFenetre(num){
  getNoeud('portail'+num).style.display="block";

  for (i=1;i<6;i++) {
    if (num != i) {
      getNoeud('portail'+i).style.display="none";
    }
  }
}

function showDiv(groupe,num,total){
 getNoeud(groupe+num).style.display="block";

  for (i=0;i<total;i++) {
    if (num != i) {
      getNoeud(String(groupe)+String(i)).style.display="none";
    }
  }
}

function activeIcone (groupe,num,total)
{
	for (i=1;i<total;i++) {
	document.getElementById("point_carte"+i).className = "inactif";
	}
	document.getElementById("point_carte"+num).className = groupe;
}

function inactiveIcone (groupe,total)
{
	for (i=1;i<total;i++) {
	document.getElementById("point_carte"+i).className = groupe;
	}
}