function openWindow(url,iWidth,iHeight) {
 //ajustement
 iWidth = iWidth + 40;
 iHeight = iHeight + 40;
 window.open(url,"_blank", "toolbar=0, location=0, directories=0,status=0, menubar=0, scrollbars=1, resizable=yes, width=" + iWidth + ",height=" + iHeight + ", left=0, top=0");
}