/*
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Adapted for Wikipedia by Remember_the_dot and Edokter
 
http://homepage.ntlworld.com/bobosola/pnginfo.htm states "This page contains more information for the curious or those who wish to amend the script for special needs", which I take as permission to modify or adapt this script freely. I release my changes into the public domain.
 
*/
function PngFix()
{
    if (document.body.filters)
    {
        var documentImages = document.images
        for (var i = 0; i < documentImages.length;)
        {
            var img = documentImages[i]
            var imgSrc = img.src
            if (imgSrc.substr(imgSrc.length - 3).toLowerCase() == "png")
            {
                if (img.currentStyle.borderStyle == "none")
                {
                    img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + encodeURI(imgSrc) + "')"
                    img.src = "../images/blank.gif"
                    i++
                }
                else
                {
                    var outerSpan = document.createElement("span")
                    var innerSpan = document.createElement("span")
                    var outerSpanStyle = outerSpan.style
                    var innerSpanStyle = innerSpan.style
                    var imgStyle = img.currentStyle
                    
                    outerSpan.id = img.id
                    outerSpan.className = img.className
                    outerSpan.title = img.title
                    outerSpanStyle.borderWidth = imgStyle.borderWidth
                    outerSpanStyle.borderStyle = imgStyle.borderStyle
                    outerSpanStyle.borderColor = imgStyle.borderColor
                    outerSpanStyle.display = "inline-block"
                    outerSpanStyle.fontSize = "0"
                    outerSpanStyle.verticalAlign = "middle"
                    if (img.parentElement.href) outerSpanStyle.cursor = "hand"
                    
                    innerSpanStyle.width = img.width + "px"
                    innerSpanStyle.height = img.height + "px"
                    innerSpanStyle.display = "inline-block"
                    innerSpanStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + encodeURI(imgSrc) + "')"
                    
                    outerSpan.appendChild(innerSpan)
                    img.parentNode.replaceChild(outerSpan, img)
                }
            }
            else
            {
                i++
            }
        }
    }
}
 
if (navigator.appName == "Microsoft Internet Explorer")
{
  var version = navigator.appVersion.substr(22, 3)
  if (version == "6.0" || version == "5.5")
  {
    window.attachEvent("onload", PngFix)
  }
}