function clean(){
	document.newsletter_form.Email.value="";
}

function montre(id) {
	
	idzone = 'zone'+id
	var z = document.getElementById(idzone);
	
	idbtn = 'btn'+id
	var b = document.getElementById(idbtn);
	
	for (var i = 1; i<=3; i++) {
		
		if (document.getElementById('zone'+i)) {
			document.getElementById('zone'+i).style.display='none';
		}
		if (document.getElementById('btn'+i)) {
			document.getElementById('btn'+i).style.backgroundColor = "#006ab7";
			document.getElementById('btn'+i).style.color="#FFFFFF";
		}
		
	}
	
	if (z){
		z.style.display='block';
	}
	
	if (b){
		b.style.backgroundColor = "#EDF7FF";
		b.style.color="#666666";
	}
}