Thanks placebo for co-testing. I did some testing too with KSV's 2nd script and with the Winrar extraction method. There's no need to rename the play(X).php files because Winrar recognizes them as archives. The following screenshot proves that the data downloaded by KSV's Jiwa-downloader and by chap's Coojah-method are identical!
Looking forward to your Jiwa review placebo.
Many thanks to all three of you!!