timeout = 0; // Close window after __ number of seconds?
// 0 = do not close, anything else = number of seconds
function Open(URL) {
windowprops = "left=20,top=20,width=800,height=550,scrollbars=yes";
text = "Náhled";
text += ">";
text += "";
text += "![Zavřít okno](" + URL + ") ";
text += " |
|
";
if (timeout != 0) text +="
Okno se zavře za " + timeout + " sec.";
text += "";
preview = window.open("", "preview", windowprops);
preview.document.open();
preview.document.write(text);
preview.document.close();
}