All client side effects use the JavaScript framework <a href="http://www.mootools.net" target="_blank">MooTools</a> which offers most reliable functionality and compact size!
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Which Mootools version is used? Check out the <a target="_blank" href="http://tutorials.yootheme.com/index.php?option=com_mtree&amp;task=viewlink&amp;link_id=92&amp;Itemid=2">MooTools version guide</a>.
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