Jsem tam odstranil chyby. </head> musíš mít až před <body>
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>
<html>
<head>
<title>Sample CKEditor Site</title>
<script type="text/javascript">
function hide() {
document.getElementById('map').style.display = 'none';
document.getElementById('map').style.position = 'relative';
//alert(window.innerHeight+"x"+window.innerWidth);
}
function showDocument(path) {
document.getElementById('map').style.display = '';
document.getElementById('map').height = window.innerHeight-100;
document.getElementById('pdfviewer').height = (window.innerHeight-300);
document.getElementById('map').style.position = 'absolute';
}
</script>
<style type="text/css">
#map {
width: 710px;
height: 710px;
background-color: darkred;
position: fixed;
}
form {
width: 130px;
height: 50px;
float: left;
margin: 10px;
border: 1px solid red; /*abych tě viděl - pak smažu*/
}
</style>
</head>
<body>
<form action="zpracovani-formulare.php" method="post">
<p>
My Editor:<br />
<input type="button" value="hodnota" onClick="odeslat(); ">
</p>
<input type="button" value="crc" onClick="changeSrc()" ><br />
<input type="button" value="show" onClick='showDocument("")' >
</form>
<div id="map"></div>
</body>
</html>