Bug in IE6, but fixed in IE7, And please use GIF over PNG in your Gadgets

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Update news from Live.com Team, they found a new bug in IE6 when IE doing the Image Filtering.
Details here,

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We have recently released a workaround for a bug in IE6 where image filters for PNG can cause a hang on the Live.com site. This IE bug is already fixed in IE7, but we still needed to workaround it to make sure the site works properly for IE6.

To understand the problem, here is an explanation from the IE team (thanks Peter Gurevich!):

• Each IE 6 window is a UI thread. 
• The HTML page and any script you written for the page run in the UI thread.  Therefore filters in your page or in script will download on the UI thread
• IE’s implementation of the AlphaImageLoader filter downloads images synchronously 
• Synchronous loading of an image or successive images on the UI thread has the potential to hang the browser and adversely affect the user experience.

Our workaround is to stop applying transparent image filters to PNG. As a result, your transparent PNG will not look as great as it used to. I would encourage you to change to using transparent GIF moving forward.Sorry for the inconvenience – the SDK will be updated with this new info in our next release.

Thanks!
James Lau
Program Manager
Live.com Team