//---------------------------------------------------------------------------
// PNG alpha layer fix for IE 5.5 & 6 - see http://homepage.ntlworld.com/bobosola/index.htm
// to avoid white flashes set <img class="bgpng"> then if lt ie 7 set CSS: img.bgpng{visibility:hidden}  
//---------------------------------------------------------------------------
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.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
          		+ " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
          		+ "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
          		+ "(src=\'" + img.src + "\', sizingMethod='scale'); visibility:visible\"></span>" 
          		img.outerHTML = strNewHTML
          		i = i-1
       		}
    		}
 		}    
}
//following moved to end of index.php to improve load speed (conditional on lt IE7)
//window.attachEvent("onload", correctPNG);