/*
 
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]-->

Modificado por SleX :  http://www.slex.com.br
email: sx.slex@gmail.com
Incluido correcoes para funcionar com backgroundImage em Elementos

*/
var TransformerPNG = function(){}

if(navigator.appName == "Microsoft Internet Explorer"){
  TransformerPNG = function(){
    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])

    if ((version >= 5) && (document.body.filters) && (version < 7)) 
    {
       for(var i=0; i<document.images.length; 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 + "' "
             img.style.display = 'inline-block';
             var Sstyle = img.style.cssText;
             var imgStyle = Sstyle;
             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 Ssstyle =    " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                           +  "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                           +  "(src=\'" + img.src + "\', sizingMethod='scale');\"";
             var mysstyle =    "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
                           +  "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                           +  "(src=\'" + img.src + "\', sizingMethod='scale');";					   
             var strNewHTML = "<span " + imgID + imgClass + imgTitle + Ssstyle + "></span>";
             //var strNewHTML = "<img src='/static/imgs/pnghack.gif' " + imgID + imgClass + imgTitle + Ssstyle + "/>";
             img.outerHTML = strNewHTML;
			 img.setAttribute('style',mysstyle);
             //alert(strNewHTML);
             i = i-1
          }
       }
	   for(var i=0; i<document.all.length; i++)
       {
			var elm = document.all[i];
			var sty = elm.getAttribute('style');
			if(sty)
			{
				var bgi = sty.getAttribute('backgroundImage');
				if(bgi)
				{
					if (bgi.toLowerCase().substring(bgi.length-4, bgi.length) == "png)")
					{
						bgi = bgi.replace('url(','');
						bgi = bgi.replace('URL(','');
						bgi = bgi.replace(')','');
						bgi = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgi+",sizingMethod='crop')";
						sty.setAttribute('backgroundImage','none');
						sty.setAttribute('filter',bgi);
					}
				}
			}
		}
		for(var i=0; i<document.styleSheets.length; i++) 
		{
			var sheet = document.styleSheets[i];
			//for(x in sheet){if(confirm(x)){break}}
			if(sheet.cssRules){
				var rules = sheet.cssRules;
			} else {
				var rules = sheet.rules;
			}
			for(var ii=0; ii< rules.length; ii++)
			{
				var sty = rules[ii].style;
				if(sty)
				{
					//for(x in sty){if(confirm(x)){break}}
					var bgi = false;
					var bgi = sty.getAttribute('backgroundImage');
					if(bgi)
					{
						if (bgi.toLowerCase().substring(bgi.length-4, bgi.length) == "png)")
						{
							bgi = bgi.replace('url(','');
							bgi = bgi.replace('URL(','');
							bgi = bgi.replace(')','');
							bgi = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgi+",sizingMethod='crop')";
							if(sty.setAttribute){
								sty.setAttribute('backgroundImage','none');
								sty.setAttribute('filter',bgi);
							}
						}
					}
				}
			}
		}
	   
    }
  }
}

if(navigator.appName == "Microsoft Internet Explorer"){
    var arVersion = navigator.appVersion.split("MSIE")
    var version = parseFloat(arVersion[1])
    try	{
        if ((version >= 5) && (document.body.filters) && (version < 7)){
			var pngfixonload = onload;
			onload = function(){
				if(pngfixonload){
					pngfixonload();
					/*try{pngfixonload()}catch(e){}*/
				}
				TransformerPNG();
            }
	   }
    }catch(e){}
}
