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This plugin is completely free for use in any context or connection.
htmlbox.swf
Use this hotspot plugin to generate a box with HTML content.
The following parameters are supported:

htmlhtml="This is a <b>bold</b> word"HTML content
or
htmlfilehtmlfile="filename"
charsetcharset="iso-8859-1"character set. For a complete list see here.
Default value is "utf-8"
 
fontfont="Arial"font name
sizesize="11"font size
colorcolor="#000000"RGB value
bgcolorbgcolor="#CCCCFF"RGB value
bordercolorbordercolor="#0000FF"RGB value
multilinemultiline="1"1 or 0, default 0
wordwrapwordwrap="1"1 or 0, default 0
widthwidth="250"
heightheight="400"


NOTE:
Changes in the "html" or the "htmlfile" parameter are immediately reflected in the box content.

In XML files the characters < > & " ' may not be used as data. So if you use the "html" parameter, these characters has to be coded as: &lt; &gt; &amp; &quot; &apos;

The HTML supported by Adobe in the TextField class is very limited.
You can read about it here:
http://livedocs.adobe.com/flash/9.0/ActionScriptLangRefV3/flash/text/TextField.html#htmlText