/*
 
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]-->

*/

var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

function fixPNG()
{

	if ((version >= 5.5) && (document.body.filters)) 
	{

		var doItAgain = false;

		for(var i=0; i<document.images.length; i++)
		{
			var img = document.images[i];

			if (img != null && img.width != 0){

				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 = "<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 + "\');\"></span>"; 
	
					img.outerHTML = strNewHTML;
					i = i-1;
				}
			}else{
				doItAgain = true;
			}
		}

		if (doItAgain){
			window.setTimeout("fixPNG();",1000);
		} 

	}
}
