function verif(email,tel) {
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	var tel_valid=1;
	var email_valide=1;
	if(tel=="")
  {
    
   
	alert('champ téléphone est vide !');
    nom_valide=0;
  }
  else
  {
    
    nom_valide=1;
  }
  
  
	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)  )
	{ alert('Cet e-mail n\'est pas valide !'); email_valide=0;return false }
	
	if(email_valide==1 && salon_valid==1 )
	 { document.ff.submit();return true }
}

function open_bloc(x){
var d=document.getElementById(x);
d.style.display="block";
}

function close_bloc(){
	var d=document.getElementById('menu1');
		d.style.display="none";
	
}