highlight selection cell that meets criteria and multiple cells if not

hello,

I can't seem to incorporate a code to highlight multiple*adjacent cells if they are blank.
Scenario:
I have 3 column E (Yes), F (No)*and G (Na),*one of cell is*tagged as "x"
All No and Na*with x are highlighted in red.
If none of the three selection is marked "x", highlight 3 cells*in blue.

I have the code below:

Sub Highlight ()
With WS.Range("$F:$G")
******* .FormatConditions.Delete
******* .FormatConditions.Add Type:=xlCellValue, Operator:=xlEqual, _
******* Formula1:="=""x"""
*** With .FormatConditions(1).Font
******* .Bold = True
******* .Italic = False
******* .ColorIndex = 2
*** End With
******* .FormatConditions(1).Interior.ColorIndex = 3
End Sub

Cross-post: http://www.ozgrid.com/forum/showthread.php?t=152125