function clearText(field)
{
if (field.defaultValue == field.value) field.value = '';
else if (field.value == '') field.value = field.defaultValue;
}
// Ecriture des 12 alertes du formulaire
function writeFormAlert1()
{document.write('
');}
function writeFormAlert2()
{document.write('');}
function writeFormAlert3()
{document.write('');}
function writeFormAlert4()
{document.write('');}
function writeFormAlert5()
{document.write('');}
function writeFormAlert6()
{document.write('');}
function writeFormAlert7()
{document.write('');}
function writeFormAlert8()
{document.write('');}
function writeFormAlert9()
{document.write('');}
function writeFormAlert10()
{document.write('');}
function writeFormAlert()
{document.write('Formulaire incomplet');}