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PNG Files Do Not Show Transparency in Internet Explorer

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Article ID:294714
Last Review:July 19, 2007
Revision:4.4
This article was previously published under Q294714

SUMMARY

If you browse to a Web page that contains an image that has a transparent background in Portable Network Graphics (PNG) format, the image background may appear to be gray rather than transparent.

MORE INFORMATION

Web developers who work with PNG files can use the AlphaImageLoader filter, as demonstrated in the following example: 
<html>
<head></head>
<body bgColor="blue">
<!-- This DIV is the target container for the image.  -->
<DIV ID="oDiv" STYLE="position:absolute; left:140px; height:400; width:400;
     filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(
     src='image.png', sizingMethod='scale');" >
</DIV>
</body>
</html>
For more information on the AlphaImageLoader filter, see the following Microsoft Developer Network (MSDN) Web site:
http://msdn2.microsoft.com/en-us/library/ms532969.aspx (http://msdn2.microsoft.com/en-us/library/ms532969.aspx)
For more information about developing Web-based solutions for Microsoft Internet Explorer, visit the following Microsoft Web sites:
http://msdn2.microsoft.com/en-us/ie/default.aspx (http://msdn2.microsoft.com/en-us/ie/default.aspx)

http://support.microsoft.com/iep (http://support.microsoft.com/iep)
APPLIES TO
•Microsoft Internet Explorer 6.0, when used with:
  Microsoft Windows XP Home Edition
  Microsoft Windows XP Professional
  Microsoft Windows XP Media Center Edition
  Microsoft Windows XP Tablet PC Edition
  Microsoft Windows XP Professional x64 Edition
  Microsoft Windows 2000 Advanced Server
  Microsoft Windows 2000 Datacenter Server
  Microsoft Windows 2000 Professional Edition
  Microsoft Windows 2000 Server
  Microsoft Windows NT Server 4.0 Standard Edition
  Microsoft Windows NT Server 4.0, Terminal Server Edition
  Microsoft Windows NT Workstation 4.0 Developer Edition
  Microsoft Windows Millennium Edition
  Microsoft Windows 98 Second Edition
  Microsoft Windows 98 Standard Edition

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Keywords: 
kbinfo kbdhtml KB294714

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