Was mach ich bei der navi falsch?

<style type="text/css" >


	#nav {
		margin: 0;
		padding: 0;
	}


	#nav li.on ul, #nav li.off ul {
		margin: 0;
		padding: 0;
	}


	#nav a {
		text-decoration: none;
	}


	#nav li { /*float the main list items*/
		margin: 0;
		float: left;
		display: block;
		padding-right: 5px;
	}


	#nav li ul {
		display: none;
	}


	#nav li.off ul, #nav li.on ul { /*put the subnav below*/
		position:absolute;
		top: 100px;
		*top: 44px;
		left: inherit;
		padding-top: 0px;
		background: #FFFFFF;
		height: 25px;
		width: 800px;
	}


	#nav li a {
		color: #000000;
		font-weight: bold;
		display: block;
		height: 15px;
		width: 100px;
		border: 2px solid #FFFFFF;
		padding: 5px;
	}


	#nav li.on a {
		border: 2px solid #7a8566;
		color: #7a8566;
	}


	#nav li.on ul a, #nav li.off ul a {
		float: left; /*ie doesn't inherit the float*/
		border: 0;
		color: #7a8566;
		width: auto;
		margin-right: 10px;
	}


	#nav li.on ul {
		display: block;
	}


	#nav li.off:hover ul {
		display: block;
		z-index: 6000;
				}


	#nav li.off a:hover, #nav li:hover a {
		background: #d6e3b0;
		color: #7a8566;
	}


</style>
<table align="center">
<tr>
<td>
<ul id="nav">
  <li class="on">[url='#']Über uns[/url]
    <ul>
      [*][url='#']Vita[/url]
      [*][url='#']Auszeichnungen[/url]
      [*][url='#']Philosophie[/url]
    [/list]

  <li class="off">[url='#']Küche[/url]
    <ul>
      [*][url='#']Catering[/url]
      [*][url='#']Kochschule[/url]
      [*][url='#']bildergalerie[/url]
    [/list]

  <li class="off">[url='#']Restaurant[/url]
    <ul>
      [*][url='#']Ambiente[/url]
      [*][url='#']Wein[/url]
      [*][url='#']Kunst[/url]
    [/list]

  <li class="off">[url='#']Aktuelles[/url]
    <ul>
      [*][url='#']Veranstaltungen[/url]
    [/list]

  <li class="off">[url='#']Gutschein[/url]
    <ul>
      [*][url='#']Gutschein 1[/url]
      [*][url='#']Gutschein 2[/url]
    [/list]

  <li class="off">[url='#']Kontakt[/url]
    <ul>
      [*][url='#']Anfahrt[/url]
      [*][url='#']Unterkunft[/url]
    [/list]

[/list]
</td>
</tr>
</table>