/*
 
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 correctPNG() {
	
	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;
		  if (imgName.substring(imgName.length-3, imgName.length) == "png" || 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
			 + " 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;
		  }
	   }
	}
}


//-----------------------------------------------------------------------------

function selectPNGClass(objId, ieClass, nieClass) {
	var objTrans = document.getElementById(objId);

	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	if ((version >= 5.5) && (document.body.filters)) {
   		objTrans.className = ieClass;
	} else {
		objTrans.className = nieClass;
	}
}

//-----------------------------------------------------------------------------