ajax и кодировка windows-1251

		<script language="JavaScript" type="text/javascript">

			//Gets the browser specific XmlHttpRequest Object

			function getXmlHttpRequestObject() {

				if (window.XMLHttpRequest) {

					return new XMLHttpRequest(); //Not IE

				} else if(window.ActiveXObject) {

					return new ActiveXObject("Microsoft.XMLHTTP"); //IE

				} else {

					//Display your error message here. 

					//and inform the user they might want to upgrade

					//their browser.

					alert("Your browser doesn't support the XmlHttpRequest object.  Better upgrade to Firefox.");

				}

			}			

			//Get our browser specific XmlHttpRequest object.

			var receiveReq = getXmlHttpRequestObject();		

			//Initiate the asyncronous request.

			function sayHello(page) {

			//	alert(page);

				//If our XmlHttpRequest object is not in the middle of a request, start the new asyncronous call.

				if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {

					//Setup the connection as a GET call to SayHello.html.

					//True explicity sets the request to asyncronous (default).

					receiveReq.open("GET", page, true);

					//Set the function that will be called when the XmlHttpRequest objects state changes.

					receiveReq.onreadystatechange = handleSayHello; 

					//Make the actual request.

					receiveReq.send(null);

				}			

			}

			//Called every time our XmlHttpRequest objects state changes.

			function handleSayHello() {

				//Check to see if the XmlHttpRequests state is finished.

				if (receiveReq.readyState == 4) {

					//Set the contents of our span element to the result of the asyncronous call.

					document.getElementById('span_result').innerHTML = receiveReq.responseText;

				}

			}

			</script>



		<a href="javascript:sayHello('1.html');">Say Hello</a><br />

		<span id="span_result"></span>

Вот рабочий пример перезагрузки текста на странице с использованием AJAX.

Как заставить ajax понимать кодировку windows-1251 ?