<header class="page-header">
			<div class="container text-center">
				<h1>Pan Tadeusz, czyli ostatni zajazd na Litwie</h1>
				<h2>Historia szlachecka z roku 1811 i 1812 we dwunastu księgach wierszem</h2>
			</div>
		</header>
		<div class="container" id="menu">
			<div class="row">
				<ul class="nav nav-tabs">
					<?php 
for ($i = 1; $i <= 12; $i++) {
    $book = 'k' . $i;
    if ($book == $_GET['co']) {
        echo "<li role='presentation' class='active'><a href='index.php?co=" . $book . "" . (strpos($_SERVER['QUERY_STRING'], 'type') ? "&type=" . $_GET['type'] : "&type=PG") . "'>Księga " . rome($i) . "</a></li>";
    } else {
        echo "<li role='presentation' ><a href='index.php?co=" . $book . "" . (strpos($_SERVER['QUERY_STRING'], 'type') ? "&type=" . $_GET['type'] : "&type=PG") . "'>Księga " . rome($i) . "</a></li>";
    }
}
?>
				</ul>
			</div>
		</div>
		<div class="container">
			<div class="row">
				<div id="refleksje" class="col-sm-12 col-lg-4">
					<h1>Refleksje</h1>
					<p>
						<?php 
echo "<a class='btn btn-success " . (strpos($_SERVER['QUERY_STRING'], 'PG') ? "disabled" : "") . "' href='" . $_SERVER['PHP_SELF'] . "" . (empty($_SERVER['QUERY_STRING']) ? "?type=PG" : ((strpos($_SERVER['QUERY_STRING'], 'type') === 0 or strpos($_SERVER['QUERY_STRING'], 'type') > 0) ? "?" . str_replace('MS', 'PG', $_SERVER['QUERY_STRING']) : "?" . $_SERVER['QUERY_STRING'] . "&type=PG")) . "' role='button'>PostgreSQL</a>";
echo "<a class='btn btn-danger " . (strpos($_SERVER['QUERY_STRING'], 'MS') ? "disabled" : "") . "' href='" . $_SERVER['PHP_SELF'] . "" . (empty($_SERVER['QUERY_STRING']) ? "?type=MS" : ((strpos($_SERVER['QUERY_STRING'], 'type') === 0 or strpos($_SERVER['QUERY_STRING'], 'type') > 0) ? "?" . str_replace('PG', 'MS', $_SERVER['QUERY_STRING']) : "?" . $_SERVER['QUERY_STRING'] . "&type=MS")) . "' role='button'>MySQL</a>";
?>
		<header class="page-header">
			<div class="container text-center">
				<h1>Pan Tadeusz, czyli ostatni zajazd na Litwie</h1>
				<h2>Historia szlachecka z roku 1811 i 1812 we dwunastu księgach wierszem</h2>
			</div>
		</header>
		<div class="container" id="menu">
			<div class="row">
				<ul class="nav nav-tabs">
					<?php 
for ($i = 1; $i <= 12; $i++) {
    $book = 'k' . $i;
    if ($book == $_GET[co]) {
        echo "<li role='presentation' class='active'><a href='index.php?co=" . $book . "'>Księga " . rome($i) . "</a></li>";
    } else {
        echo "<li role='presentation' ><a href='index.php?co=" . $book . "'>Księga " . rome($i) . "</a></li>";
    }
}
?>
				</ul>
			</div>
		</div>
		<div class="container">
			<div class="row">
				<div class="col-sm-12 col-lg-3">
				</div>

				<div id="ksiegi" class="col-sm-12 col-lg-9">
					<?php 
for ($i = 1; $i <= 12; $i++) {
    $book = 'k' . $i;