How can I change the path to the folder to upload files field
 how to change the path to the uploaded file When I choose checkbox If I have 200 checkboxs 
Ex. I have 
   checkbox-1
   checkbox-2
When I choose  - checkbox-1 -  the path to will be - folder1/
When I choose  - checkbox-2 -  the path to will be - folder2/
please, help me