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);
		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);
			}
			
		}
	}
	
}();

bgsleight.init();