function correctPNG() // correctly handle PNG transparency in Win IE 5.5 or higher.
{
	if(navigator.appVersion.toLowerCase().indexOf("msie 6.0") != -1)
	{//RF: Hay que corregir
		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 + "' "
				var imgStyle = "display:inline-block;" + img.style.cssText
				var imgAttribs = img.attributes;
				var onMouseOver = "", onMouseOut = "";
				for (var j=0; j<imgAttribs.length; j++)
				{
					var imgAttrib = imgAttribs[j];
					if (imgAttrib.nodeName == "align")
					{
						if (imgAttrib.nodeValue == "left")
						{
							imgStyle = "float:left;" + imgStyle;
						}
						if (imgAttrib.nodeValue == "right")
						{
							imgStyle = "float:right;" + imgStyle;
						}
						break
					}
				}
				if (img.name && !img.id)
				{
					imgID= "id='" + img.name + "' ";
				}
				if ((pos=img.outerHTML.toUpperCase().indexOf("ONMOUSEOVER="))>0)
				{
					onMouseOver=img.outerHTML.substring(pos);
					pos=onMouseOver.indexOf(");");
					if (onMouseOver.substr(12,1)== "\"")
					{
						pos=onMouseOver.indexOf(");\"");
					}
					onMouseOver=" " + onMouseOver.substring(0,pos+2).replace("MM_swap","MM_PNGswap") + ((onMouseOver.substr(12,1)== "\"") ? "\"":"") + " ";
				}
				pos=0
				if ((pos=img.outerHTML.toUpperCase().indexOf("ONMOUSEOUT="))>0)
				{
					onMouseOut=img.outerHTML.substring(pos);
					pos=onMouseOut.indexOf(");");
					if (onMouseOut.substr(11,1)== "\"")
					{
						pos=onMouseOut.indexOf(");\"");
					}
					onMouseOut=" " + onMouseOut.substring(0,pos+2).replace("MM_swap","MM_PNGswap") + ((onMouseOut.substr(11,1)== "\"") ? "\"":"") + " ";
				}
				pos=0
				var strNewHTML = "<span " + imgID + imgClass + imgTitle
				strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
				strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
				strNewHTML += "(src=\'" + img.src + "\', sizingMethod='scale');\"";
				strNewHTML += onMouseOver + onMouseOut + "></span>"
				img.outerHTML = strNewHTML
				i = i-1
			}
		}

		for(var i=0; i<document.links.length; i++)
		{
			var lnk = document.links[i];
			var tStr="";
			if ((pos=lnk.outerHTML.indexOf("MM_swapImage("))>0)
			{
				tStr=lnk.outerHTML.substring(pos+13);
				pos=tStr.indexOf(");");
				if (pos>0)
				{
					pos=tStr.substring(0,pos).toUpperCase().indexOf(".PNG");
					if (pos>0)
					{
						lnk.outerHTML = lnk.outerHTML.replace(/MM_swap/g,"MM_PNGswap");
					}
				}
			}
		}
	}//if(navigator.appVersion.toLowerCase().indexOf("msie 6.0") != -1)
}

function MM_PNGswapImage()
{ //v3.0
	var i,j=0,x,a=MM_PNGswapImage.arguments;
	document.MM_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
	{
		if ((x=MM_findObj(a[i]))!=null)
		{
			document.MM_sr[j++]=x;
			if(!x.oSrc) x.oSrc=x.filters(0).src; 
			x.filters(0).src=a[i+2];
		}
	}
}

function MM_PNGswapImgRestore()
{ //v3.0
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
	{
		x.filters(0).src=x.oSrc;
	}
}


window.attachEvent("onload", correctPNG);