var dns = "campingdesaintlaurent.com" ;
    var pre = "info" ;
    var objet = "Camping Saint Laurent *** (Ploemel - 56)" ;
	var chez = String.fromCharCode(64);
    document.write ("<a href='mailto:" + pre + chez + dns + "?Subject=" + objet +"'>" + pre + chez + dns + "</a>");