See the part where it says USERTYPE = "C"?
Your script should fall between that and any {/if} (I didnt see any)
Code:
{* $Id: head.tpl,v 1.28 2003/04/24 09:50:33 svowl Exp $ *}
<script language="JavaScript" src="http://acsrecords.web.aplus.net/java/domDetection.js" type="text/javascript"></script>
</HEAD>
<body LEFTMARGIN=0 TOPMARGIN=0 RIGHTMARGIN=0 BOTTOMMARGIN=0 MARGINWIDTH=0 MARGINHEIGHT=0>
<table width="800" border="0" cellspacing="0" cellpadding="0">
<tr>
<td>[img]http://acsrecords.web.aplus.net/shop/skin1/images/tag.jpg[/img][img]http://acsrecords.web.aplus.net/shop/skin1/images/logo.jpg[/img]</td>
</tr>
</table>
<table width="800" height="16" border="0" cellpadding="0" cellspacing="0" bgcolor="E6E6E6">
<tr>
<td width="150"> {if $usertype eq "C"} { include file="customer/search.tpl"
} {else} {/if} </td>
<td width="500"></td>
<td width="150"></td>
</tr>
</table>
{literal}
<SCRIPT language=javascript>path="."</script>
<SCRIPT language=JavaScript src="http://acsrecords.web.aplus.net/java/menu_array.js" type=text/javascript></SCRIPT>
<SCRIPT language=JavaScript src="http://acsrecords.web.aplus.net/java/mmenu.js" type=text/javascript></SCRIPT>
{/lliteral}