I have a table in which there are three columns `(A: datefield, B: selectbox, C: checkbox)`. 

Now when someone checks on the checkbox, the `column(B)` having selectbox should convert to a column textfield. That means I want to convert selectbox to textfield and vice versa on change of the checkbox event. Is that possible?? If so how? (using js, no jquery please)

Reply is greatly appreciated.