Hi,

I ran across a script to make nice fading tooltips recently at http://www.dustindiaz.com/sweet-titles and noticed the use of xsrc in the script tag to link to the javascript eg
<script type="text/javascript" xsrc="http://example.com/js/toolTipLib.js" mce_src="http://example.com/js/toolTipLib.js"></script>

I've seached Google and found plenty of other pages that use 'xsrc', but I can't find an explanation of what it does or why you would use it instead of 'src'.

Can anyone help ?