// Correctly handle PNG transparency in Win IE 5.5 or higher.
// http://homepage.ntlworld.com/bobosola. Updated 02-March-2004

function PNG_swap( element_id, image_name )
{
var element = document.getElementById( element_id );
var filter = element.style.filter;
var src_start = filter.indexOf( "(src='" );
src_start += 6;
src_end = filter.indexOf( "'," );
left = filter.substring( 0, src_start );
right = filter.substring( src_end );
element.style.filter = left + image_name + right;
}

function correctPNG() 
{
  if (isInternetExplorer && isInternetExplorer())
  {
	  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" && imgName.indexOf("POSTIT") == -1)
	     {
		 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;
	     }
	     }
	  }
  }