Problem with money mask

[dodo89]

Hi guys,
i installed this mask and i think it's great!! i think i found two issue whit the money mask.
when i insert one number it is show correctly:

but if i add a second number i got comma as a prefix of number:

it's possibole to have a comma when the third number is insert??

Finally why it's possible to insert in the middle of the number only one time after click on it?
it wuold be great if i can insert in the middel of the number every-time.