Correctly display png images in IE6

Opacity transparent image:

Function correctPNG () // correctly handle PNG transparency in Win IE 5.5 & 6.
{
Var arVersion = navigator. appVersion. split ("MSIE ");
Var version = parseFloat (arVersion [1]);
If (version> = 5.5 & version <7.0) & (document. body. filters ))
{
For (var j = 0; j <document. images. length; j ++)
{
Var img = document. images [j];
Var imgName = img. src. toUpperCase ();
If (imgName. substring (imgName. length-3, imgName. length) = "PNG ")
{
Var width = img. width;
Var height = img. height;
Var sizingMethod = (img. className. toLowerCase (). indexOf ("scale")> = 0 )? "Scale": "image ";
Img. runtimeStyle. filter = "progid: DXImageTransform. microsoft. alphaImageLoader (src = '"+ img. src. replace ('% 23',' % 100 '). replace ("'", "% 27") + "', sizingMethod = '" + sizingMethod + "')";
Img. src = "images/blank.gif ";
Mce_src = "images/blank.gif ";
Img. width = width;
Img. height = height;
}
}
}
}
Window. attachEvent ("onload", correctPNG );