//  copyright lexilogos.com
var car;
function transcrire() {
car = document.conversion.saisie.value;
car = car.replace(/_/g, "=");
car = car.replace(/a=/g, "ā");
car = car.replace(/e=/g, "ē");   
car = car.replace(/i=/g, "ī"); 
car = car.replace(/o=/g, "ō"); 
car = car.replace(/u=/g, "ū"); 
car = car.replace(/ā=/g, "a");
car = car.replace(/ē=/g, "e");   
car = car.replace(/ī=/g, "i"); 
car = car.replace(/ō=/g, "o"); 
car = car.replace(/ū=/g, "u"); 
document.conversion.saisie.value=car;
var obj=document.conversion.saisie;
obj.focus();
obj.scrollTop=obj.scrollHeight;
}