function submit_login()
{
	error_message = '';

	if ($F('login_password') == '') {
		$('login_password').focus();
		error_message = 'Enter password.';
	}
		

	if ($F('login_username') == '') {
		$('login_username').focus();
		error_message = 'Enter username.';
	}
		

	$('login_error').update(error_message);	

	if (error_message == '') {
		
		pars = 'cmd=login';
		pars += '&username=' + $F('login_username');
		pars += '&password=' + $F('login_password');
		
		var myAjax = new Ajax.Request(
				'control/login.php',
				{
					method: 'get',
					parameters: pars,
					onComplete: showResponse
				}
			);

	}

	function showResponse(originalRequest)
	{
		if (originalRequest.responseText == 'OK') {
			document.location.href = '/view_profile/my/';
		} else {
			$('login_error').update(originalRequest.responseText);	
		}
	}
	
	return false;
}