function createAjax() {
  if(typeof(ActiveXObject) == "function") {
	return new ActiveXObject("Microsoft.XMLHTTP");  
  }  
  else if(typeof(XMLHttpRequest) == "object" || typeof(XMLHttpRequest) == "function") {
	return new XMLHttpRequest();
  }  
  else {
	self.alert("브라우저가 AJAX를 지원하지 않습니다.");
	return null;
  }
}  
myAjax = createAjax();

function sendRequest(url,frameworkLayer) {
	myAjax.open("get",url);
	myAjax.onreadystatechange = function receiveResponse() {

		if(myAjax.readyState == 4 && myAjax.status == 200) {
			frameworkLayer.innerHTML = myAjax.responseText;
		}

	}
	myAjax.send('');
}