Thanks Andrew, 
 
Here is an updated sample doc attached, thanks.  
 
I gave up using frames and the whole "checkbox with option button functionality" thing. I now have only checkboxes instead of option buttons, to make the document load faster. 
 
The kindly provided Greg's ShadeCells macro above needs now be re-written to work with checkboxes in place of option buttons ! 
 
I hope this is feasible with your great help everyone 
 
Thanks so much in advance
		 
		
		
		
			
		
		
		
		
		
		
		
		
	
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