// The background PNG fix, courtesy of Youngpup (http://www.youngpup.net) and Drew McLellan (http://www.allinthehead.com)

var bgsleight = function() {
	function addLoadEvent(func) {
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		} else {
			window.onload = function() {
				if (oldonload) {
					oldonload();
				}
				func();
			}
		}
	}
	function fnLoadPngs() {
		var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
		var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5 && Number(rslt[1]) < 7);
		for (var i = document.all.length - 1, obj = null; (obj = document.all[i]); i--) {
			if (itsAllGood && obj.currentStyle.backgroundImage.match(/\.png/i) != null) {
				fnFixPng(obj);
				obj.attachEvent("onpropertychange", fnPropertyChanged);
			}
		}
	}
	function fnPropertyChanged() {
		if (window.event.propertyName == "style.backgroundImage") {
			var el = window.event.srcElement;
			if (!el.currentStyle.backgroundImage.match(/x\.gif/i)) {
				var bg	= el.currentStyle.backgroundImage;
				var src = bg.substring(5,bg.length-2);
				el.filters.item(0).src = src;
				el.style.backgroundImage = "url(x.gif)";
			}
		}
	}
	function fnFixPng(obj) {
		var bg	= obj.currentStyle.backgroundImage;
		var src = bg.substring(5,bg.length-2);
		obj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
		obj.style.backgroundImage = "url(x.gif)";
	}

	return {
		init: function() {
			if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
				addLoadEvent(fnLoadPngs);
			}
		}
	}
}();
	
// The inline PNG fix, courtesy of Bob Osola, http://homepage.ntlworld.com/bobosola/
function fixallpngs() {
    var arrBrowserVersion = navigator.appVersion.split("MSIE");
    var BrowserVersion = parseFloat(arrBrowserVersion[1]);
    if (BrowserVersion >= 5.5 && BrowserVersion < 7 && 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');\"></span>";
             img.outerHTML = strNewHTML;
             i = i-1;
          }
       }
    }
}

function addPngLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}


bgsleight.init();
addPngLoadEvent(fixallpngs);