function cnnConvertPNGs() {
					var browser = navigator.userAgent;
					if (browser.indexOf('MSIE 6') > -1) {
								var imgs = d.getElementsByTagName('img');
								for (i = 0; i < imgs.length; i++) {
											var imgurl = imgs[i].src.replace(/^\s|\s$/g, "");
											if (imgurl.match(/([^\/\\]+)\.(png)$/i) ) {
												imgs[i].style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + imgs[i].src + ')';
												imgs[i].src = 'http:/\/i.a.cnn.net/nascar/.element/img/2.0/global/util/pixel.gif';
											}
								}
					}
		}