Use of window.showModalDialog() is deprecated. Use window.open() instead. For more help https://developer.mozilla.org/en-US/docs/Web/API/Window.open
Wužiwanje window.showModalDialog() je zestarjene. Wužijće window.open() město toho. Za dalšu pomoc hlej https://developer.mozilla.org/en-US/docs/Web/API/Window.open