var loginChecked = false;

function checkLogin(value)
{
	loginChecked = false;
	var params = "?login=" + value;
	net.ContentLoader("checkLogin.php" + params, onLoadLogin, onErrorLogin, "POST", params);
}

function onLoadLogin()
{
	 var notification = document.getElementById('notification');
	 if(this.req.responseText == "1") {
	 	loginChecked = false;
	 	notification.innerHTML = "Sorry, but such login alredy exists.";
	 	notification.className = "red";
	 } else {
	  	loginChecked = true;
	  	notification.innerHTML = "You can use this login, as it doesn't exist.";
	  	notification.className = "top_lang2";
	 }
}

function onErrorLogin()
{
	 alert('Error was accured during checkin your login.');
}