I am really green to all web editing stuff, and learn as I have problems doing what I want to do...So,
To remedy my original problem, I opened the /Add HTML-Javscript.php file, from my web directory on my server and edited the following line: <?php
global $site_url;
$editor_link=$site_url.'/wordpress/wp-content/plugins/steditor/index.html'
?> ...so that it matched the address of the HTML-Javascript.php file in my directory...
This will direct the link at your http://www.YourSite.com/wordpress/wp-admin/widgets.php page to open the Wysiwyg window for adding text and link reference script to your sidebar, when you open the HTML-Javascript widget for editing...
Using IE7, and MS FrontPage as my site editor and FTP client, I need to open the Wysiwyg from Admin page, enter text, click the make link icon, view source checkbox, select all, and press Ctrl+C to copy...for pasting into the widget editor interface...