function MM_openBrWindow(theURL,winName) { //v2.0
if(window.screen){
 aw=screen.availWidth;
 ah=screen.availHeight;
}else{
 aw=640;
 ah=450;
}
 ustawienia=
 "left=" + (aw-600)/2 + ","
 +"top=" + (ah-450)/2 + ","
 +"screenX=" + (aw-600)/2 + ","
 +"screenY=" + (ah-450)/2 + ","
 +"width=" + 600 + ","
 +"height=" + 450 + ","
 +"innerWidth=" + 600 + ","
 +"innerHeight=" + 450 + ","
 +"toolbar=no,"
 +"location=no,"
 +"directories=no,"
 +"status=yes,"
 +"menubar=no,"
 +"scrollbars=yes,"
 +"resizable=no"
 window.open(theURL,winName,ustawienia);
}