X-Cart forums - catergories in middle of the page?

Heres my website www.slixaustralia.com.au

for some reason the menu bar won't sit up the top of the page?
I've been scratching my head for days and can't work it out can someone tell me what im doing wrong?
code from home.tpl below

{* $Id: home.tpl,v 1.67.2.9 2005/06/28 12:02:38 svowl Exp $ *}
{if $printable ne ''}
{include file="customer/home_printable.tpl"}
{else}
{config_load file="$skin_config"}
<HTML>
<HEAD>
<TITLE>
{if $config.SEO.page_title_format eq "A"}
{section name=position loop=$location}
{$location[position].0|escape}
{if not %position.last%} :: {/if}
{/section}
{else}
{section name=position loop=$location step=-1}
{$location[position].0|escape}
{if not %position.last%} :: {/if}
{/section}
{/if}
</TITLE>
{ include file="meta.tpl" }
<LINK rel="stylesheet" href="{$SkinDir}/{#CSSFile#}">
</HEAD>
<body bgcolor="#ffffff" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" align= "center">
{if $body_onload ne ''} onload="{$body_onload}"{/if}

<table width= "800" height= "100%">
{ include file="head.tpl" }
{if $active_modules.SnS_connector}
{include file="modules/SnS_connector/header.tpl"}
{/if}

<table width="800" height="100%" border="0" cellpadding="0" cellspacing="0" bordercolor="#000000" bgcolor="#000000" id="Table_01">
<tr>
<td colspan="2" nowrap background="images/main_01.gif" width="196" height="1">
</td>
<td rowspan="3" nowrap background="images/main1_02.gif" width="5" height="100%">
</td>
<td rowspan="2">
[img]images/main1_03.gif[/img]</td>
<td>
[img]images/spacer.gif[/img]</td>
</tr>
<tr>

<td rowspan="2" background="images/main1_04.gif" height="100%" width="393">
{if $categories ne "" and ($active_modules.Fancy_Categories ne "" or $config.General.root_categories eq "Y" or $subcategories ne "")}
{ include file="customer/categories.tpl" }

{/if}
{if $active_modules.Bestsellers ne "" and $config.Modules.bestsellers_menu eq "Y"}
{ include file="modules/Bestsellers/menu_bestsellers.tpl" }
{/if}
{if $active_modules.Manufacturers ne "" and $config.Modules.manufacturers_menu eq "Y"}
{ include file="modules/Manufacturers/menu_manufacturers.tpl" }
{/if}
{include file="customer/special.tpl"}
{ include file="help.tpl" }

</td>

<td width="7" height="100%" rowspan="2" bgcolor="#000000">

</td>
<td height="8" width="1">
[img]images/spacer.gif[/img]</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" width="390" height="100%">

<table>
<td>
{include file="location.tpl"}

{include file="dialog_message.tpl"}

{if $active_modules.Special_Offers ne ""}
{include file="modules/Special_Offers/customer/new_offers_message.tpl"}
{/if}

{include file="customer/home_main.tpl"}
{/if}

</td>
</table>

</td>
<td>
[img]images/spacer.gif[/img]</td>
</tr>
</table>
<table width="800" border="0" align="center" cellspacing="1">
<tr>
<td bgcolor="#000000"></td>
</tr>
</table>
</table>

</body>
</html>