[jQuery] Error-Message: is not a function

I've been thinking the last two hours about this problem: The following function is part of a form validation script. The targeted selects contain a name attribute like "accomodation[1]" or "accomodation[2]". I neet the number within the brackets. The alert- function is just for testing and will b

[jQuery] Error-Message: is not a function

Hi, I've been thinking the last two hours about this problem: The following function is part of a form validation script. The targeted selects contain a name attribute like "accomodation[1]" or "accomodation[2]". I neet the number within the brackets. The alert- function is just for testing and w