function checkMail(email){
	var Email=email.value;
	var place = Email.indexOf("@",1);
	var point = Email.indexOf(".",place+1);
	var espace = Email.search(" ");
	var send="";

		if ((espace==-1)&&(place > -1)&&(Email.length >2)&&(point > 1)){}
		else{
			send += "Email Invalide !\n";
			}


		if (send.length>1){
			alert(send);
		    return false;
			}

		else		email.form.submit();
}