<?php

function page(){
	if(!$_GET['page']){
	$site_page = 'home';
			}elseif($_GET['page']){
				$page_query = mysql_query("SELECT * FROM pages WHERE name = '".$_GET['page']."'");
				$num_page = mysql_num_rows($page_query);
				if(!$num_page){
					$site_page = '404';
						}else{
				$site_page = $_GET['page'];
					}
	}else{
		$site_page = 'home';
	}

	if(!$_SESSION['user_id']){
		$site_page = 'login';
	}

	$page_query2 = mysql_query("SELECT * FROM pages WHERE name = '".$site_page."'");
	$page_row = mysql_fetch_row($page_query2);
	echo $page_row['text'];
}

function navbar() {


$guest_nav_query = mysql_query("SELECT * FROM navbar WHERE permission = '0' ORDER BY id ASC");
	if(!$_SESSION['user_id']){
$logged_nav_query = mysql_query("SELECT * FROM navbar WHERE permission = '1' ORDER BY id ASC");
	}else{
$logged_nav_query = mysql_query("SELECT * FROM navbar WHERE permission = '2' ORDER BY id ASC");
	}


	?>
	<div class="nav">
        <ul>
			<?php
			while($guest_nav = mysql_fetch_array($guest_nav_query)){
			?>
				<li><a href="<?php echo $guest_nav['url']; ?>"><?php echo $guest_nav['name']; ?></a></li>
			<?php
			}
			?>

			<?php
			while($logged_nav = mysql_fetch_array($logged_nav_query)){
			?>
				<li><a href="<?php echo $logged_nav['url']; ?>"><?php echo $logged_nav['name']; ?></a></li>
			<?php
			}
			?>
			<?php
			if($_SESSION['user_id']){
			?>
				<li><a href="logout.php">Logg ut</a></li>
			<?php
			}
			?>
        </ul>
      </div>
    <?php

}

function last_users(){
	?>
	 <div class="hitems">
        <h2>Nyeste Brukere</h2>
        <ul>
        <?php
			$last_users_query = mysql_query("SELECT * FROM users ORDER by id DESC");
			while($last_users = mysql_fetch_array($last_users_query)){
				?>
        	  <li><a href="index.php?page=profile&id=<?php echo $last_users['id']; ?>"><?php echo $last_users['username']; ?></a></li>
        	  <?php
				}
			?>
       	 </ul>
      </div>
	<?php
}


function login(){
if($_POST['login_submit']){
	$username = stripslashes($_POST['username']);
	$password = stripslashes($_POST['password']);

	$username = mysql_real_escape_string($username);
	$password = mysql_real_escape_string($password);

	$login_query = mysql_query("SELECT * FROM users WHERE username = '$username' AND password = '$password'");
	$row_login = mysql_fetch_array($login_query);
	$num_login = mysql_num_rows($login_query);

	if(!$num_login){
		$login_error = 'Brukernavnet eller passordet er feil.';
				?>
		<script type="text/javascript">
		$(document).ready(function() {
 alert("Brukernavnet eller passordet stemmer ikke.");
});
</script>
<?php
	}else{
		$_SESSION['user_id'] = $row_login['id'];
		?>
		<script type="text/javascript">
		$(document).ready(function() {
			window.location = 'index.php';
 alert("Du har nå blitt logget inn. Du vil nå bli omdirigert til hjem siden.");
});
</script>
<?php
$login_error = '<font color="green">Du blir nå omdirigert til hjem siden.</font>';
	}

	}

}

function news(){
$news_query = mysql_query("SELECT news FROM news ORDER BY RAND() LIMIT 1");

while($news = mysql_fetch_array($news_query)){
echo $news['news'];
}
}

/*	class User
{
	protected $user;

	public function __contruct()
	{

		$user_query = mysql_query("SELECT * FROM users WHERE id = '".$_SESSION['user_id']."'");

		$user_info = mysql_fetch_array($user_query);
		$username = '<font style="color:#'.$user_info['farge'].';">a'.$user_info['username'].'</font>';

		$this->user = array(
			'username' => '1',
			'visninger' => $user_info['visninger'],
			'socialpts' => $user_info['socialpts'],
		);
	}

	public function userinfo()
	{
		return $this->user;
	}
}
$user = new User;
$info = $user->userinfo();
*/
?>