отделил меню, html:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Ps</title>
<style type="text/css">
@import url(css3.css);
</style>
<script type="text/javascript" src="js/library.js"></script>
</head>
<body>
<div id="vse">
<div class="menu">
<div style="padding: 0px 12px 0px 12px;">
<a href="" onMouseOver="focus_menu('news');" onMouseOut="mokus_menu('news');">НОВОСТИ</a>
<a href="" onmouseover="focus_menu('sport')" onmouseout="mokus_menu('sport')">СПОРТ</a>
<a href="" onmouseover="focus_menu('kult')" onmouseout="mokus_menu('kult')">КУЛЬТУРА</a>
<a href="" onmouseover="focus_menu('nauka')" onmouseout="mokus_menu('nauka')">НАУКА</a>
<a href="" onmouseover="focus_menu('nagr')" onmouseout="mokus_menu('nagr')">НАГРАДЫ</a>
<div class="clear" onfocus=""></div>
</div>
</div>
<div class="clear"></div>
<div class="sub_menu">
<div id="news" class="sub" onMouseOver="focus('news');" onMouseOut="mokus('news');">
<a href="">Основные новости</a><br>
<a href="">Новости погоды</a><br>
</div>
<div id="sport" class="sub">
2
</div>
<div id="kult" class="sub">
3
</div>
<div id="nauka" class="sub">
4
</div>
<div id="nagr" class="sub">
5
</div>
</div>
</div>
</body>
</html>