function popuptarget(url,name,width,height) {
var options = "width=" + width + ",height=" + height + "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no";
new_window = window.open(url, name, options);
window.self.name = "main";
new_window.moveTo(((screaten.availWidth/2)-(width/2)),((screaten.availHeight/2)-(height/2)))
new_window.focus();
}
function PopupImage(img) {
title="Agrandissement";
w=open("",'image','width=400,height=400,toolbar=no,scrollbars=no,resizable=no');
w.document.write(""+title+"");
w.document.write("