function createAjax(){
	if(window.XMLHttpRequest){
		return new XMLHttpRequest();
	}else if(window.ActiveXObject){
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	return null;
}
var url = 'flash/nav_links.txt';
var ajax = createAjax();
ajax.open('GET', url, true);
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
ajax.onreadystatechange = function(){
	if(ajax.readyState == 4){
		if(ajax.status == 200){
			//var content = ajax.responseText;
		}
		delete ajax;
	}
}
ajax.send("");