function displayWindow2(url, w, h) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
var z=0;
w=w+16;
if(document.all)
{
z=navigator.appVersion.match(/ \d+.\d+/);
}
if(z>=7) h=h+80; else h=h+56;
var win = window.open('','displayWindow2','left=' + winl + ',top=' + wint + ',width=' + w + ',height=' + h + ',resizable=1,scrollbars=yes,toolbar=no,location=no,menubar=no,status=no' );
win.resizeTo(w,h);
/*win.open(url,'displayWindow2');*/
win.document.write('MAIAR : powiekszenie')
win.document.close();
}