function vol(){
	document.getElementById('vols').style.display='block';
	document.getElementById('vols').style.visibility='visible';
	
	document.getElementById('voyages').style.display='none';
	document.getElementById('voyages').style.visibility='hidden';
	document.Mvoyages.Voyage[1].checked=true;
}
function voyage(){
	document.getElementById('voyages').style.display='block';
	document.getElementById('voyages').style.visibility='visible';
	
	document.getElementById('vols').style.display='none';
	document.getElementById('vols').style.visibility='hidden';
	document.moteur.vol[0].checked=true;
}

function calender(){
	document.getElementById('calendier').style.display='block';
	document.getElementById('calendier').style.visibility='visible';
	
	document.getElementById('volDispo').style.display='none';
	document.getElementById('volDispo').style.visibility='hidden';
}
function volsDispo(){
	document.getElementById('volDispo').style.display='block';
	document.getElementById('volDispo').style.visibility='visible';
	
	document.getElementById('calendier').style.display='none';
	document.getElementById('calendier').style.visibility='hidden';

}

function changeDep(villedep,villesite){
	if (villedep==villesite) texte();
	else liste();
}

function liste(){
	document.getElementById('liste').style.display='block';
	document.getElementById('liste').style.visibility='visible';
	
	document.getElementById('texte').style.display='none';
	document.getElementById('texte').style.visibility='hidden';
}
function texte(){
	document.getElementById('texte').style.display='block';
	document.getElementById('texte').style.visibility='visible';

	document.getElementById('liste').style.display='none';
	document.getElementById('liste').style.visibility='hidden';
	
}