Step #1: Go to blogger.com > Create a free blog > Create a new post > Switch your post editor to HTML VIEW
Step #2: Insert the JS codes inside the post > Replace all my video URLs with yours > Save the post & use the post URL as a Rotator URL.
Please note: this URL rotator will redirect to a URL by Random Order, not the next URL. So, i may not guarantee the accuracy of the Rotator.