/*
 
Correctly handle PNG transparency in Win IE 5.5 & 6.
http://homepage.ntlworld.com/bobosola. Updated 18-Jan-2006.

Use in <HEAD> with DEFER keyword wrapped in conditional comments:
<!--[if lt IE 7]>
<script defer type="text/javascript" src="pngfix.js"></script>
<![endif]-->
*/


function fixpng(element) {
    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])
    //alert(arVersion + "::" + version)
    if ((version >= 5.5) && (document.body.filters)) 
    {
//       for(var i=0; i<document.images.length; i++)
//       {
          var img = element
          var imgName = img.src.toUpperCase()
          png_reg = /png/gi
          if(imgName.search(png_reg) > -1 && !img.className.match('nofix')) 
          {

             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 
             var imgWidth = (img.width) ?  "width:" + img.width + "px;" : "width:"+img.offsetWidth+"px"
             var imgHeight = (img.height) ? "height:" + img.height + "px;" : "height:"+img.offsetHeight+"px"
             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 = "<span " + imgID + imgClass + imgTitle
             + " style=\"" + imgWidth + imgHeight + imgStyle + ";"
             + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
             + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
             img.outerHTML = strNewHTML
             i = i-1
             
          }
//       }
    }

} // end fixpng function



function fixAllpngs() {
//  alert('fix');
  //imgs = document.images;

  for (i=0;i<document.images.length;i++) {
  //images.each(function(i) {
    //document.images[i].onload = "fixpng(this);this.onload=function(){};";
  //});
     fixpng(document.images[i]);
  }
}

function ieFixPngs() {
//    alert('ieFixPigs');
    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])
    //alert(arVersion + "::" + version)
    if ((version >= 5.5) && (document.body.filters)) {
       Event.observe(window, 'load', function() { fixAllpngs(); }, false);
    }

}

ieFixPngs();
