Please fix example page

[petrovnn]

Can't understand how to use this script. Old examples from original site doesn't work. How to fix this?

[petrovnn]

demo page cause two errors, please help fix this:

[e-motiv]

Will fix when time. No time now.
And indeed just taken over the original description without adjusting to my and previous adjustments.
P.S. I don't have those errors. Will have to check later.
P.P.S. Be my guest to change usage notes in description, I'll pull it in (or whatever it's called (I'm new @ github)).
P.P.P.S. There is also a major performance error. This one will take my priority, I'm afraid