When you click on the icons the text in the box does not actually become bold or italic. What it does is insert the HTML markup for the formatting.

There are two parts to an HTML tag. An open <tag> and a close </tag>. Whatever is in between receives the formatting.

ICON HTML RESULT
bold <b>bold</b> bold
italic <i>italic</i> italic
paragraph some text <P>some
more text		 some text

some more text
line break text<br>text text
text
center <center>text
</center>
text
right align <div align="right">
text</div>
text
link <a href="smile.html" title="smiley face">smile</a> smile
mailto: <a href="mailto:
email">email</a>		 email
image <img src="http://
www.divinentd.com/
url_message/img/
smiley.gif" alt="smiley" border="0" width="20" height="20">		 smiley