From the OnClicked even of the box being clicked, you can do the following:
if me.YourCheckboxName.Value = true then
me.YourOtherCheckboxName.Enabled = false
else
me.YourOtherCheckboxName.Enabled = true
end if.
Do the same for your other check box only reversing the control names...
There are more elegant ways of doing this, but this is just a quick suggestion petersdaniel@hotmail.com
"If A equals success, then the formula is: A=X+Y+Z. X is work. Y is play. Z is keep your mouth shut." --Albert Einstein