jmootips
jmootips is designed to separate article content from tooltip content - you just refer to a tooltip within an article but you do not need to code its content within the article.
jmootips will help to design joomla articles and their informations be more attractive and informative. With it you are able to deploy tooltips very easily and feed tooltip content from various sources. Additionally you may control positioning and layout almost without any programming skills.
jmootips is perfectly integrated within Joomla, as it may use any Joomla article for tooltip content, additionally it supports those sources for tooltip content:
Plain text or HTML via plugin tags
Content from local or remote Webserver
Content via Ajax Request
Images
jmootips comes packaged with two plugins:
jmootips content plugin - With this plugin you will be able to create tooltips very easily
tipbutton editors-xtd plugin - Displays a editor toolbar button to ease the insertion of tooltips into an article. It displays a popup allowing you to choose a Joomla article for tooltip content