<?php

//checking if is logged in
function islogged(){
	if(isset($_SESSION['username'])){
		$naam = $_SESSION['username'];
		$pwd = $_SESSION['pwd'];
	 $result = mysql_query("SELECT username, password FROM user WHERE username='$naam' AND password = '$pwd'");
		if(mysql_fetch_array($result)){
			//code als ingelogd
			$code = "<div class='navbar'>
      <div class='navbar-inner'>
        	<a class='brand' href='index.php'>Home</a>
              <ul class='nav'>
                  <li><a href='foto.php'>galarij</a></li>
				  <li><a href='logout.php'>Logout</a></li>
				  <li><a href='#'>Welkom ".$_SESSION['username']."</a></li>
              </ul>
			  <form class='navbar-search pull-right'>
  				<input type='text' class='search-query' placeholder='Search'>
			</form>
  		</div>
	</div>";
			return $code;
		}
	} else {
			//code als niet ingelogd
			$code = "<div class='navbar'>
      <div class='navbar-inner'>
        	<a class='brand' href='index.php'>Home</a>
              <ul class='nav'>
                  <li><a href='foto.php'>foto's</a></li>
                  <li><a href='registeren.php'>registreren</a></li>
                  <li><a href='login.php'>login</a></li>
              </ul>
  		</div>
	</div>";
			return $code;
		}
}

//uitloggen

function logout(){
	session_destroy();
	header("location:index.php");
}

?>