cross-domain/respond-proxy.html

<!-- Respond.js: min/max-width media query polyfill. Remote proxy (c) Scott Jehl. MIT/GPLv2 Lic. j.mp/respondjs -->
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8" />
	<title>Respond JS Proxy</title>
</head> 
<body>
	<script>
		(function () {
			var domain, css, url, match, file, ajax, xmlHttp;
			
			ajax = function( url, callback ) {
				var req = xmlHttp();
				if (!req){
					return;
				}	
				req.open( "GET", url, true );
				req.onreadystatechange = function () {
					if ( req.readyState != 4 || req.status != 200 && req.status != 304 ){
						return;
					}
					callback( req.responseText );
				};
				if ( req.readyState == 4 ){
					return;
				}
				req.send();
			};
			
			//define ajax obj 
			xmlHttp = (function() {
				var xmlhttpmethod = false,
					attempts = [
						function(){ return new XMLHttpRequest(); },
						function(){ return new ActiveXObject("Microsoft.XMLHTTP"); },
						function(){ return new ActiveXObject("MSXML2.XMLHTTP.3.0"); }
					],
					al = attempts.length;

				while( al-- ){
					try {
						xmlhttpmethod = attempts[ al ]();
					}
					catch(e) {
						continue;
					}
					break;
				}
				return function(){
					return xmlhttpmethod;
				};
			})();
			
			url = window.location.href;
			
			if (url) {
				match = (/css\=(.*\.css)$/).exec(url.slice(url.indexOf('?') + 1));
				
				if (match && match[1]) {
					css = match[1];
				}
				
				match = (/url\=([^&]+)/).exec(url);
				
				if (match && match[1]) {
					domain = match[1];
				}
			}
			
			if (css) {
				ajax(css, function (response) {
					window.name = response;
					window.location.href = domain;
				});
			}
		}());
	</script>
</body>
</html>