function resaprologin()
{
var login=document.getElementById("resapro");
var password=document.getElementById("password");
var iata=document.getElementById("iata");
document.location.href="http://webbooking.louvre-hotels.fr/book/switch.aspx?resapro="+encodeURIComponent(login.value) + "&password="+encodeURIComponent(password.value)+ "&iata="+encodeURIComponent(iata.value);
}