Notworking AJAX gadget now, previously worked for years

The thread has not been reviewed by Editors yet. Readers are advised to use their best judgement before accessing this thread.
This thread will be reviewed shortly.
If you think this thread contain inappropriate content, please report to webmaster.
A beautiful Gadget, with like kids jumping rope, in my blogger blog which used AJAX, not working now. Worked awesome for years. Don't know why !
Any help, to make it work, please ?

Link to ref blog page :

Source of code from Blog :