function connection_ajax(){
	var hr = new XMLHttpRequest();
	var url = "../login/connection.php";
	var login = document.getElementById("login").value;
	var password = document.getElementById("password").value;
	var checkbox = 1;
	var vars = "login="+login+"&password="+password;

	hr.open("POST", url, true);
	hr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	hr.onreadystatechange = function() {
		if (hr.readyState == 4 && hr.status == 200) {
			var return_data = hr.responseText;
			document.getElementById("connectionState").innerHTML = return_data;
		}
	};
	hr.send(vars);
}