ImageLoader Change History
==========================
3.4.1
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* No changes.
3.4.0
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* Added classNameAction option for ImgGroup. Setting to "enhanced" means that
when using className on an <img> element, the src attribute is replaced
rather than simply removing the class name. [Ticket #2530087]
3.3.0
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* No changes.
3.2.0
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* No changes.
3.1.1
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* No changes.
3.1.0
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* PNG image fix for IE6 [Ticket #2528448]
3.0.0
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* No changes.
3.0.0 beta 1
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* 3.0 conversion
* New features:
* Fold groups indicated by a distance from the fold, and images are
loaded in cascading fashion as each reaches that distance
Scroll and resize triggers are set automatically for these groups
* Custom triggers can belong to the global Y instance or to any local event
target
* Bg, Src, and Png images are all registered with groups via the same
"registerImage" method, and differentiated by attribute parameters