Untitled

<?php
    include 'conexao.php';
    ////select noticias
    if(isset($_GET['id'])){
         $query = mysql_query("SELECT *,date_format(`data`,'%d/%m/%Y') as datap FROM postagem WHERE id=".$_GET['id']) or die(mysql_error());
         $result = mysql_fetch_array($query);
    }else{
         $query = mysql_query("SELECT *,date_format(`data`,'%d/%m/%Y') as datap FROM postagem ORDER BY id DESC") or die(mysql_error());
    }

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<link rel="stylesheet" type="text/css" href="estilo.css"/>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">

<title>Tecnologia</title>
</head>
<body>
<div id="principal">
<?php
include 'topo.php';
include 'login.php';
?>

<div id="corpo">
<div class="input-div" id="input-usuario">

        <h1>Noticias</h1>
        <?php
        if(!isset($_GET['id'])){
        //while do resultado da query $query
        while($noti = mysql_fetch_array($query)){?>
        <span>
            <h2><?=$noti['titulo'];?></h2>
        <br>
        </span>
        <img src="imagem/<?=$noti['imagem'];?>" width="100">
        <br>
        <span id="desc"><?=$noti['texto'];?></span>
        <hr>
        <a href="noticias.php?id=<?=$noti['id'];?>">+detalhes</a>
        <?php }
    }else{?>
    <!-- caso exista id mostra todo  a materia-->
    <span>
            <h2><?=$result['titulo'];?></h2>
        <br>
        </span>
        <img src="imagem/<?=$result['imagem'];?>" width="100">
        <br>
        <span id="desc"><?=$result['texto'];?></span>
        <hr>
         <a href="noticias.php?>">&laquo; voltar</a>
    <?php }?>
    </div>
        </div>
<?php
include 'menu.php';
include 'rodape.php';
?>
</div>
</body>
</html>