function Calcul140(){
	var m = 140
	var L = window.document.forms['affiliation_envoi'].message2.value.length;
	window.document.getElementById('nbCar').innerHTML = (m-L>0)? m-L : 0;
	if(L>m) document.forms['affiliation_envoi'].message2.value = document.forms['affiliation_envoi'].message2.value.substring(0, m);
}