function login()
{	

	var username = document.getElementById("username").value;
	var password = document.getElementById("password").value;

	document.getElementById('warning').innerHTML = '';

	if ((username == '') || (password == ''))
	{
		

	document.getElementById('warning').innerHTML = '<b>Benutzername und Kennwort erforderlich</b>';
		
	}

	else
	{


var url = "/function/login.php?username="+username+"&password="+password;


new Ajax.Request(url, {
  method: 'get',
  onSuccess: function(transport) {

    if (transport.responseText.match("1"))
	{	 
	setInterval("self.location.reload()", 1000);

document.getElementById('warning').innerHTML = "<b>Login erfolgreich</b>";}
    else
	{
document.getElementById('warning').innerHTML = "<b>Benutzername und/oder Passwort falsch</b>";
	}
  }
});


	}
	return false;
}