Kôd:
<script type="text/javascript">
function show(what) {
document.getElementById(what).style.display = 'block';
}
function hide(what) {
document.getElementById(what).style.display = 'none';
}
</script>
<a href="#" onmouseover="show('Layer1')">TEST</a>
<div id="Layer1" style="display:none;width:300px;height:100px;background-color: red;" onmouseout="hide('Layer1')" onmouseover="show('Layer1')">
bla bla bla <a href="#">test</a><br /><img src="slika.gif" alt="slika" title="slika" />
</div>