/*
 
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])
var TmpOuterHTML, TmpWithPosition, loopOH


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.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
		 
		 TmpOuterHTML = img.outerHTML;
		 
		 TmpWithPosition = TmpOuterHTML.indexOf("width=");
		 if (TmpWithPosition != -1) { 
			 ImgWith = "";
			 for(loopOH=6;loopOH<9;loopOH++) {
				if ( TmpOuterHTML.charCodeAt(TmpWithPosition+loopOH)>48 && TmpOuterHTML.charCodeAt(TmpWithPosition+loopOH)<58 ) {
					ImgWith = ImgWith + TmpOuterHTML.charAt(TmpWithPosition+loopOH); 
				}
			 }
		 } else {
			ImgWith = "16"; 
		 }		
			 
		 TmpHeightPosition = TmpOuterHTML.indexOf("height=");
		 if (TmpHeightPosition != -1) { 
			 ImgHeight = "";
			 for(loopOH=7;loopOH<10;loopOH++) {
				if ( TmpOuterHTML.charCodeAt(TmpHeightPosition+loopOH)>48 && TmpOuterHTML.charCodeAt(TmpHeightPosition+loopOH)<58 ) {
					ImgHeight = ImgHeight + TmpOuterHTML.charAt(TmpHeightPosition+loopOH);
				}  
			 }
		 } else {
			ImgHeight = "16"; 
		 }	
		 
		 
		 
		 /* old version */
		 /*var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(enabled=true, src=\'" + img.src + "\', sizingMethod='scale');\"></span>" */
		 var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:"+ImgWith+"px; height:"+ImgHeight+"px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(enabled=true, src=\'" + img.src + "\', sizingMethod='scale');\"></span>" ;
		 img.outerHTML = strNewHTML;
         i = i-1;	 
      }
   }
}
