function Login()
{
	if(CheckManatoryFields('username', 'Benutzername') && CheckManatoryFields('password', 'Password'))
	{
		http_request.open('POST', "http://www.2803.ch/ajax/supportlogin/login.php", true);
		http_request.onreadystatechange = LoginOnStatusChange;
		http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		http_request.send('username=' + document.getElementById("username").value + '&password=' + document.getElementById("password").value);
	}
}

function LoginOnStatusChange()
{
	if(4 == http_request.readyState)
	{
		 
		 ShowHideLayer("LoadingDiv", "hidden", "none");
		 ShowHideLayer("ContentDiv", "hidden", "none");
		 ShowHideLayer("MessageDiv", "visible", "inline");
		 document.getElementById("MessageDiv").innerHTML = http_request.responseText;
	}
	if(1 == http_request.readyState)
	{
		ShowHideLayer("LoadingDiv", "visible", "inline");
		ShowHideLayer("MessageDiv", "hidden", "none");
		ShowHideLayer("ContentDiv", "hidden", "none");
	}
}

function ResetLoginView()
{
	 ShowHideLayer("LoadingDiv", "hidden", "none");
	 ShowHideLayer("MessageDiv", "hidden", "none");
	 ShowHideLayer("ContentDiv", "visible", "inline")
}

function Logout()
{
	http_request.open('GET', "http://www.2803.ch/ajax/supportlogin/logout.php", true);
	http_request.onreadystatechange = LogoutOnStatusChange;
	http_request.send(null);
}

function LogoutOnStatusChange()
{
	if(4 == http_request.readyState)
	{
		 window.location.href="http://www.2803.ch/home";
	}
}