// JavaScript Document
function do_login(){
	MyPostSend = "username="+document.getElementById("username").value+"&password="+document.getElementById("password").value;	
	makeRequestPost('ajax_login.php?action=login');
	http_request.onreadystatechange = check_login;
}

function check_login(){
	/*if (http_request.readyState == 1) {
		document.getElementById('username').readOnly = true;
		document.getElementById('password').readOnly = true;
	}*/
	if (http_request.readyState == 4) {
			

			if(http_request.responseText == "OK"){
				location.href = "main.php";
			} else {
				//Se il login non ha avuto buon esito, cancello i dati e avviso l'utente della cosa
				document.getElementById('username').value = "";
				document.getElementById('password').value = "";
				document.getElementById('hiddenbox').style.display = "block";
				//Effect.Appear('hiddenbox');
				
			}//endif
		
	}//endif	
}

function close_err_window(){
	document.getElementById('hiddenbox').style.display = "none";
	document.getElementById('username').focus();
}