var req=null;

function InitXMLHttpRequest() {
	if (window.XMLHttpRequest) {
		req=new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req=new ActiveXObject("Microsoft.XMLHTTP");
	}
}
function rering() {
	destination = document.getElementById('rering_div');
	phone = document.getElementById('rering_input').value;

	InitXMLHttpRequest();
	// Load the result from the response page
	if (req) {
		req.onreadystatechange=function() {
		if (req.readyState == 4) {
			destination.innerHTML="<div class='yes'>Принято!</div>";
		} else {
			destination.innerHTML="<div>Обработка заявки...</div>";
		}
	}
	req.open("GET", "/rering.php?aaa=" + phone, true);
	req.send(null);
	} else {
		destination.innerHTML="<div class='no'>Ошибка! Повторите запрос.</div>";
	}
}