function choix_formule(choix){
	
	if(choix=="inscription"){
		document.getElementById("zone_information").style.display="none";
		document.getElementById("zone_inscription").style.display="";
		}
	
	if(choix=="information"){
		document.getElementById("zone_information").style.display="";
		document.getElementById("zone_inscription").style.display="none";
		}
	
	}
	
	
function verif(choix){
	
	if(choix=="inscription"){
		
		err=""
		if(document.getElementById("journee_1").checked==false && document.getElementById("journee_2").checked==false && document.getElementById("journee_3").checked==false){err+="- Please specify one day or more!\n"}
		if(document.getElementById("nom").value==""){err+="- Name\n"}
		if(document.getElementById("prenom").value==""){err+="- First name\n"}
		if(document.getElementById("societe").value==""){err+="- Company\n"}
		if(document.getElementById("activite").value==""){err+="- Activity\n"}
		if(document.getElementById("email").value==""){err+="- email\n"}
		
		if(err==""){
			document.form_inscription.action="inscription_2.php"
			document.form_inscription.submit();
				}else{
				alert("Please complete the following fields:\n\n"+err);
				}
		}
	
	if(choix=="information"){
		
		err=""
		if(document.getElementById("nom_b").value==""){err+="- Name\n"}
		if(document.getElementById("prenom_b").value==""){err+="- First name\n"}
		if(document.getElementById("societe_b").value==""){err+="- Company\n"}
		if(document.getElementById("activite_b").value==""){err+="- Activity\n"}
		if(document.getElementById("email_b").value==""){err+="- email\n"}
		
		if(err==""){
			document.form_information.action="inscription_2.php"
			document.form_information.submit();
				}else{
				alert("Please complete the following fields:\n\n"+err);
				}
		}
	
	
	}
	
	
	
function init_choix(){
	document.getElementById("zone_information").style.display="none";
	document.getElementById("zone_inscription").style.display="none";
	document.getElementById("choix_1").checked=false
	document.getElementById("choix_2").checked=false
	}