IE browser PNG image transparency effect code_javascript skills

First look at our tag code:

We will use the unique IE Special effects to meet this requirement, this is AlphaImageLoader Filter (http://msdn.microsoft.com/library/default.asp?url=/workshop/author/filter/reference/filters/alphaimageloader.asp)

How to do it?
Save the following code as correctPNG.js:

Copy the code The code is as follows:

function correctPNG()
{
for(var i=0; i{
var img = document.images[i]
var imgName = img.src.toUpperCase()
if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
{
var imgID = (img.id) ? "id ='" img.id "' " : ""
var imgClass = (img.className) ? "class='" img.className "' " : ""
var imgTitle = (img.title) ? "title='" img.title "' " : "title='" img.alt "' "
var imgStyle = "display:inline-block;" img.style.cssText
if (img.align == "left") imgStyle = "float:left;" imgStyle
if (img.align == "right") imgStyle = "float:right;" imgStyle
if (img.parentElement.href) imgStyle = "cursor:hand;" imgStyle
var strNewHTML = " " "width:" img.width "px; margin:6px; height:" img.height "px;" imgStyle ";"
"filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
"(src='" img.src "', sizingMethod='scale');">"
img.outerHTML = strNewHTML
i = i-1
}
}
}
window.attachEvent("onload", correctPNG);

Then add in the .... area of ​​the web page you want to be transparent:

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