function pngAll() {
	$(document).ready(function(){
		var $ = jQuery;
		if ((/MSIE (\d)/.test(navigator.userAgent) && (parseFloat(RegExp.$1) < 7))) {
			var filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader';
			var src;
			$('.png').each(function () {
				var el = $(this);
				if (el.is('img') && /\.png$/i.test(this.src)) {
					src = this.src;
					el.wrap('<span><span>');
					el = el.parent().css({
						height:  el.height(),
						width:   el.width(),
						display: 'inline-block'
					});
					el.find('img').remove();
				}
				else {
					var style = this.currentStyle.backgroundImage || this.style.backgroundImage;
					if (/^url\(["']?(.+\.png)["']?\)$/i.test(style))
						src = RegExp.$1;
				}
		
				if (src) {
					el.css({
						background: 'none',
						filter:     filter + '(src="' + src + '", sizingMethod=scale)'
					});
					if (el.is('a'))
						el.css({ cursor: 'pointer' });
				}
			});
		}
		return;
	});
}