<!-- BLOC POPUP DEFFENSIF //-->
var bloc=false;
function blocage()
{
bloc=true;
}
<!-- POPUP DEFFENSIF //-->
function WCBdef() {
if (!bloc) window.open("WCB/fermeture.htm","popuplinkeo",'width=400,height=410,top=5,left=5,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=1');
}
<!-- POPUP //-->
function newwin(url){
window.open(url,"popuplinkeo",'width=400,height=410,top=5,left=5,toolbar=no,location=no, directories=no,status=no,scrollbars=no,resizable=1');
}

function check(form) {
if (isNaN(form.TELEPHONE.value))
	{
	alert("Numéro de téléphone erroné");
	return false;
	}else if (form.TELEPHONE.value.length < 10)
	{
	alert("Numéro de téléphone erroné");
	return false;
	}else if (form.TELEPHONE.value.substr(1,1)=="0" || form.TELEPHONE.value.substr(1,1)=="7" || form.TELEPHONE.value.substr(1,1)=="8" || form.TELEPHONE.value.substr(1,1)=="9")
	{
	alert("Numéro de téléphone erroné");
	return false;
	}
return true;
}