Use of window.showModalDialog() is deprecated. Use window.open() instead. For more help https://developer.mozilla.org/en-US/docs/Web/API/Window.open
Ojer chik rokisaxik ri window.showModalDialog(). Pa ruk'exel tawokisaj window.open(). Richin ch'aqa' chik to'ïk kab'etz'eton pa https://developer.mozilla.org/en-US/docs/Web/API/Window.open