How do I specify a default button when no file name is listed in the URL?

For example, if someone types in the full URL WITH a file name, index.htm, the correct menu state shows. However, if someone just types in the URL without the file name, temple/, the buttons are all messed up. How can I specify a default page/button state if no file name is specified in the URL?

On the first two links are "real" right now..

What you can do is to use mod_rewrite to rewrite the url that is typed in without the index.htm to have the index.htm. Here is a tutorial on how to do that:
mod_rewrite

I don't have access to the server. Is this something that can be done through code?

Jimmy, are you saying that I would have to do some monkeying around with every menu I create with CSS menu writer in order to get a default button to appear selected if no page is specified in the URL? Shouldn't that be automatic, through a setting or something?

The way that the current highlight works is by comparing the current page url with the urls in the menu and if it matches, then the url gets highlighted. If it matches with more than one menu item, they'll both be matched. Therefore, you will have to get the url to display correctly so the current state will work correctly.

Is this feature that you may be adding in the future? Most times (I see it all the time), people will just type in a URL instead of getting to a site by clicking on a specific link. This would potentially cause issues with all of the CSS Menus, right?

I would really like to see this be an option for future releases of this product. In the meantime, I think I'll have to use another option, unfortunately.

The script can't determine that the domain/ and domain/index.htm are not the same. You can set up an htaccess file to do the mod_rewrite or contact your service provider and they will have a way for you to accomplish this. The link I provided in the first response has instructions on how to create the htaccess file.