function winopen(url, w, h) { x = screen.availWidth; y = screen.availHeight; if (w+50 > x) { wr = x; } else { wr = w+50; } if (h+50 > y) { hr = y; } else { hr = h+50; } if ((w+50 > x) || (h+50 > y)) { res = "scrollbars=1"; } else { res= "scrollbars=0"; } settings = "toolbar=0,location=0,"+res+",resizable=1,status=0,width="+wr+",height="+hr+""; win = window.open("", "", settings); win.document.write(" $\"Klikněte$
Klikněte pro zavření okna"); win.moveTo((x-wr)/2,(y-hr)/2); return (typeof(win)=='object') ? false : true; }