AS HTML Tag Source Viewer. If you've ever looked at a nifty object on a Web page and wondered how it was crafted, you'll like AS HTML Tag Source Viewer for MS Internet Explorer. Once installed, the program adds itself to the context menu in Internet Explorer. Surf to a Web page you want to investigate, right-click on a page element, then select HTML Tag Source Viewer from the menu. The viewer opens with the source code for the page, and the code for the object you clicked appears in blue. You can save the entire page of code, or you can select the blue text and copy it. Using this program is easier than viewing the page's code by selecting View, Source in Internet Explorer.