function returnDocument() {
var file_name = document.location.href;
var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
return file_name.substring(file_name.lastIndexOf("/")+1, end);
}

function changeLanguage(dossier,classe,nombouton){
var file_name = document.location.href;
var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
var page= file_name.substring(file_name.lastIndexOf("/")+1, end);
document.write('<A HREF="'+ dossier +'/'+ returnDocument() +'" CLASS="'+ classe +'">'+ nombouton +'</A>');
}

function changeLanguage(dossier,classe,nombouton){
var file_name = document.location.href;
var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
var page= file_name.substring(file_name.lastIndexOf("/")+1, end);
document.write('<A HREF="'+ dossier +'/'+ returnDocument() +'" CLASS="'+ classe +'">'+ nombouton +'</A>');
}
function changeLanguageImage(dossier){
var file_name = document.location.href;
var end = (file_name.indexOf("?") == -1) ? file_name.length : file_name.indexOf("?");
var page= file_name.substring(file_name.lastIndexOf("/")+1, end);
document.write('"'+ dossier +'/'+ returnDocument() +'"');
}