function OuvrirFenetre (url) {
   window.open (url,"_blank","toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=420,height=520")
}

function OuvrirFenetre2 (url) {
   window.open (url,"_blank","toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=600,height=520")
}

function OuvrirFenetre3 (url) {
   var largeurecran = screen.width/1.1;
   var hauteurecran = screen.height/1.3;
   var optecran = "toolbar=yes,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+largeurecran+",height="+hauteurecran;
   window.open (url,"_blank",optecran);
}