Small Biz Geek wrote…

“I was having a hell of a time finding a solution to the issue of WordPress deleting HTML paragraph and break tags from the editor whenever I switched between “Visual” and “Text”.

This plugin adds functionality to the TinyMCE system which powers the WordPress editor. One of the features is to tell WordPress to stop stripping the HTML tags.”

Test the TinyMCE web based javascript WYSIWYG editor – http://www.tinymce.com/tryit/basic.php