//XMLHttpRequestをActiveXObjectでreplace
if(typeof ActiveXObject == "function" && typeof XMLHttpRequest == "undefined"){
	XMLHttpRequest = function(){
		try{
			return new ActiveXObject("Msxml2.XMLHTTP");
		} catch( err ){
			return new ActiveXObject("Microsoft.XMLHTTP")
		}
	}
}

function includeExternal( url){
	var xmlhttp = new XMLHttpRequest();
	xmlhttp.open("GET", url, false);
	xmlhttp.send("");
	document.write(xmlhttp.responseText);
}