nombre = navigator.appName;
version = parseInt(navigator.appVersion);

if ((nombre == "Netscape" && version >= 3) || (nombre == "Microsoft Internet Explorer" && version > 3)) 
ver = "correcta";
        else ver = "incorrecta";

if (ver == "correcta")
function nuevaventana3(){

if ((nombre == "Netscape" && version >= 3) || (nombre == "Microsoft Internet Explorer" && version >= 2)) 
ver = "correct";
        else ver = "incorrect";


        if (ver == "correct") {
          window.open('domiserv.htm','nuevaventana3','toolbar=yes,location=no,directories=no,scrollbars=yes,resizable=yes,width=640,height=375,top=30,left=70')
        }
        else{
                parent.location.href="domiserv.htm"
        }
}