Thank you so much for responding... Yes, I had researched JQueryUI before posting this post. I just am so new to JQuery that I don't know the basic code structure or syntax so JQueryUI was somewhat confusing.
Well, I got it to work by doing this:
The Close is underlined and is in the center of the dialog box's title. It would be nice to remove the underline and have it in the top right hand corner of the dialog box.