Ok, I'm hoping this is a basic question that someone will hae a really simple answer for:
Is it possible to make a page so that you click on a link in a side navbar (linked to another URL) and have the new page appear inside the next column? (main content on a two column page with header and footer).
I've given up on putting a gallery in there, and just want to link to a blog or some other external site and have it appear in this one.
If you want to do a gallery showing thumbnails on one side and larger images on the other, Dreamweaver has an HTML Spry Dataset option which may be useful to you. The following is a video about setting one up:
Also, while an iframe will work for you, I would also recommend reading up on setting up templates in Dreamweaver. For basic sites this will give you the option to have an outer frame on all child pages of the master template and then you update the content as needed. For small sites this is a perfect option.