function changeTyperecherche(value) {
			
	var nom 					= document.getElementById("nom");
	var instrument 				= document.getElementById("instrument");
	
	var date_naissance_jour 	= document.getElementById("date_naissance_jour");
	var date_naissance_mois 	= document.getElementById("date_naissance_mois");
	var date_naissance_annee 	= document.getElementById("date_naissance_annee");
	
	var ecole 					= document.getElementById("ecole");
	
	var date_concert_jour 		= document.getElementById("date_concert_jour");
	var date_concert_mois 		= document.getElementById("date_concert_mois");
	var date_concert_annee 		= document.getElementById("date_concert_annee");
	
	var lieu_concert 			= document.getElementById("lieu_concert");
	
	var submit 					= document.getElementById("submit");
	
	// Init
	nom.style.display 					= "none";
	instrument.style.display 			= "none";
	date_naissance_jour.style.display 	= "none";
	date_naissance_mois.style.display 	= "none";
	date_naissance_annee.style.display 	= "none";
	ecole.style.display 				= "none";
	lieu_concert.style.display 			= "none";
	date_concert_jour.style.display 	= "none";
	date_concert_mois.style.display 	= "none";
	date_concert_annee.style.display 	= "none";
	
	submit.style.display = value == 0 ? 'none' : 'inline';
	
	if(value == 'instrument') {
		instrument.style.display = "inline";
	}
	
	else if(value == 'nom') {
		nom.style.display = "inline";
	}
	
	else if(value == 'date_naissance') 	{
		date_naissance_jour.style.display = "inline";
		date_naissance_mois.style.display = "inline";
		date_naissance_annee.style.display = "inline";
	}
	
	else if(value == 'ecole') {
		ecole.style.display = "inline";
		ecole.focus();
	}
	
	else if(value == 'date_concert') 	{
		date_concert_jour.style.display = "inline";
		date_concert_mois.style.display = "inline";
		date_concert_annee.style.display = "inline";
	}
	
	else if(value == 'lieu_concert') 	{
		lieu_concert.style.display = "inline";
		lieu_concert.focus();
	}
}