/*
 
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 pngFix()
{
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

	if ((version >= 5.5) && (document.body.filters))
	{
		for (var i = 0; i < document.images.length; i++)
		{
			var img = document.images[i]
			var imgName = img.src.toLowerCase()
			if (
				(imgName.indexOf("marker.ashx") != -1) ||
				(imgName.indexOf("legend.png") != -1)
			   )
			{
				var imgID = (img.id) ? "id='" + img.id + "' " : ""
				var imgName = (img.name) ? "name='" + img.name + "' " : ""
				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 + imgName + imgClass + imgTitle
					 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
					 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
					 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
				img.outerHTML = strNewHTML
				i = i - 1
			}
		}
	}
}