How to reduce a PDF document that contains an Adobe XML form?

Hi,

I have created some fillable PDF files using Adobe LiveCycle Designer and used Adobe Acrobat Pro XI to save it as Reader Extended PDF > Enable More Tools (includes form fill-in and save)…

The form includes image, text field, check box, radio button, table and other controls, as well as java scripts behind. The files are from 1 to 3 MB in size. I tried Reduced Size PDF and Optimized PDF, but I got a message: “This PDF document contains an Adobe XML form. Such files cannot be optimized.”

My questions are:

1. Is there a way I can reduce the file greatly, say about 100 KB?
2. And after the size reduced,  does it still keep the original quality in format and function?

Thanks