function MakeWin(url,target_name,x_size,y_size) {
attb = 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=' + x_size + ',height=' + y_size; 
subWin = window.open(url,target_name,attb);
 check = ((navigator.appName.charAt(0) == "M") && (navigator.appVersion.charAt(0) <= 3)); if (!check) {subWin.focus();}
 }