Most reports of such problems have come from people using Mac or older versions of Netscape. I have revised some of the "East Canada" pages I first published to see if I could mitigate the problem for them.
I especially wish to hear whether such overlap problems have been encountered by anyone who uses Windows, Windows Internet Explorer, or the latest version of Netscape.
I have prepared some survey pages you may check to describe this problem and some other matters of web design: Click here
Or you may send me an e-mail about it; please describe whether your computer uses Windows, Apple/Mac or other, and what browser is used.
