true if the user clicked Yes; false if the user clicked No or closed the dialog box.
HtmlWindow.Confirm(string) displays a modal dialog box; the user will not be able to access the underlying HTML page without first closing this dialog box.
Although HtmlWindow.Confirm(string) accepts Unicode text as input, the Internet Explorer script prompt will not display non-Latin language text appropriately on Windows 95, Windows 98, Windows ME or Windows NT due to operating system limitations. For more information, see tp://support.microsoft.com/default.aspx?scid=kb;en-us;211147.