My name isXXXXX a licensed attorney. Glad to try and help out.
Sure sorry for the circumstances, truly. My heart goes out to you.
I will speak candidly rather than doing you the disservice of lying or misleading you. I didn't enact the law, and personally I often disagree with it, but nevertheless we're all stuck with it. I just wouldn't do you the disservice of lying or misleading you. So, here's the truth.
No, despite very recent changes to Florida timeshare law (effective July 1, 2012, such a cancellation at this point is not allowed. However, if you believe there's a consumer protection violation, you can certainly file a complaint, free of charge, as follows:
Florida Attorney General - Consumer Protection
I am sorry.
If you have a follow-up question or need clarification, please just say the word by using "reply" to reach me.
I truly hope all works out for you.