Add function for general button enabling
Add function for general button enabling

Add general function called 'checkEnable' which is called by the radio buttons 'enableCont' and 'enableExp' for enabling the appropriate text boxes. If called by 'enableCont', it is called with the control text boxes, whereas the 'enableExp' button will call 'checkEnable' with the experimental text boxes.
Synapt1x/MitochondriaModel