You nailed it. That fixed the problem. Thanks very much for the response. Don't know why that didn't occur to me.  

I am new to the forum and hope someone can help me diagnose a problem that is giving me fits.   I do some rent-a-nerd work for a sole practitioner psychiatrist. His wife is the receptionist and he sees patients--there is usually no one else in the office. The office is located in a concrete...