function affiche()
{
	arg = affiche.arguments ;
	nombre = arg.length;
	
	for( i=0 ; i<nombre ; i=i+2 )
	{
		//alert('table_formule_'+arg[i]);
		if ( arg[i+1] == 'true' ) $('table_formule_'+arg[i]).style.display = "" ;
		else $('table_formule_'+arg[i]).style.display = "none" ;
	}
}


//TESTER LE FORMULAIRE
function test_formulaire()
{
	if ( !champs("datedebut","Enter first date",false) ) return false;
	if ( !champs("datefin","Enter last date",false) ) return false;
	if ( !champs('adulte','Enter adults number','Invalid number','chiffre',false) ) return false ;
	if ( !champs('enfant','Enter children number','Invalid number','chiffre',false) ) return false ;
	
	if ( !champs("nom","Enter your last name",false) ) return false;
	if ( !champs("prenom","Enter your first name",false) ) return false;
	if ( !champs("ville","enter your city",false) ) return false;
	if ( !champs('tel','Enter your phone number','Invalid phone number','telephone',false) ) return false ;
	if ( !champs('mail','Enter your E-mail adresse','Invalid E-mail adresse','mail',false) ) return false ;
	
	return true;
}