Sounds really slick, Joseph. Now, if I only had a "mobile device" that displayed maps. wink

I had to check out the new "MyTopo" ads. They're not too bad, except the "mytopo.com" text plastered all over the maps is sure excessive. But regardless, I hope they continue to make them available since they are the best on-line topographic maps that show trails.

I also see you have added an edit so if someone sticks an extra parameter at the end of a URL, your program pops up an error message. I have been using a parameter to identify an area so I can type that parameter in my browser's URL to quickly find that map. For example, in Firefox, I type in the URL: "xloc=Whitney", and the browser finds the full URL to your website with the map centered on Mt Whitney, (If I have set up and viewed such a URL in the past.) It would be cool if you could enable such a parameter -- one that would simply be ignored by your software.
Example: http://www.mappingsupport.com/p/gmap4.ph...mp;xloc=Whitney