// AJOUT : fonction pour verifier champs autres que email :
function formCheck4(form) 
{

if (form.mail.value == "") 
{
alert("This e-mail address is not correct.");
return false;}

if (form.mail.value.indexOf("@") == -1) 
{
alert("Please indicate a correct e-mail address.");
return false;}

if (form.mail.value.indexOf(".") == -1) 
{
alert("Please indicate a correct e-mail address.");
return false;}


if (form.message.value == "") 
{
alert("We think you forgot to write a message.");
return false;}






}