function aff_media(v_url)
{
 if (document.body)
 {
 var va_larg = (document.body.clientWidth);
 var va_haut = (document.body.clientHeight);
 } 
 else
 {
 var va_larg = (window.innerWidth);
 var va_haut = (window.innerHeight);
 }
 v_param_media = "location=no,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,height="+ va_haut +",width="+ va_larg +",status=no";
 hWnd_media=window.open(v_url,"Hwnd_media",v_param_media);
 hWnd_media.focus();
}