Steve, > Put quickly, block-level elements include paragraphs, headings, tables, > DIV's and BODY etc. They can contain othere elements of any type. In display This isn't always true: only inline content is allowed within <p> elements [1] and <h1> - <h6> elements [2], for instance. Within <div> elements [3] and <td> elements [4], however, pretty much anything goes. 1. http://www.w3.org/TR/html4/struct/text.html#edef-P 2. http://www.w3.org/TR/html4/struct/global.html#edef-H1 3. http://www.w3.org/TR/html4/struct/global.html#edef-DIV 4. http://www.w3.org/TR/html4/struct/tables.html#edef-TD James Aylard