function createXMLHttpRequestObject() {
var objReq=null;
	try {
		objReq=new ActiveXObject("Microsoft.XMLHTTP");
	}
	catch(Error) {
		try {
			objReq=new ActiveXObject("MSXML2.XMLHTTP");
		}
		catch(Error) {
			try {
				objReq=new XMLHttpRequest();
			}
			catch(Error) {
			}
		}
	}
	return objReq;
}
function send_req(objReq,file) {
	objReq.open('GET',file,true);
	objReq.onreadystatechange=treat_response;
	objReq.send(null);
}
function treat_response() {
	if(obj_req.readyState==4) {
		switch(option) {
		case 0:
		jAlert(obj_req.responseText,'Newsletter');
		break;
		
		case 1:
		break;
		default:
		break;
		}
	}
}