function obrazek(url, target, width, height) {
        var Win = window.open(url, target,'width=' + width + ',height=' + height + ',resizable=0,scrollbars=no,menubar=no' );
}

function www(url, target, width, height) {
        var Win = window.open(url, target,'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,menubar=no' );
}