function writediv(texte)
{
document.getElementById('bandeau_acceuil').innerHTML = texte;
}

function menu(choix)
{
if(texte = file('http://www.topsite-web.net/menu/bandeau_acceuil.php3?choix='+escape(choix)))
{
writediv(texte);
}
}

function file(fichier)
{
if(window.XMLHttpRequest) // FIREFOX
xhr_object = new XMLHttpRequest();
else if(window.ActiveXObject) // IE
xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
else
return(false);
xhr_object.open("GET", fichier, false);
xhr_object.send(null);
if(xhr_object.readyState == 4) return(xhr_object.responseText);
else return(false);
}