Changing theme or color of radio button dyanmically

Changing theme or color of radio button dyanmically

hi I am developing application using Jquery mobile in which I want


1)to change theme or color of radio button when radio button  is selected. it possible or not in jquery mobile 

2)I want to change the position of bullet of radio button  which is by default displaying on left side.I want to display this on right side.

I have Tried for both but its not working can any one solve this problem .
                                                                                                           I think it is not possible in jquery mobile.