Okay Chris here goes it. XHTML issue corrections
In Ubbthreads.tmpl you say put this code
<font size="1"><a href="javascript:void(0);" onclick="showMenu('globeMenu',this.id,20,5);event.cancelBubble=true" id="globeCrumb"><img src="{$config['imageurl']}/globe.gif" border="0" align="middle" alt="Today's Active Topics and New Since Last Visit" /></a>
<a href="{$config['phpurl']}/ubbthreads.php?Cat=">{$config['title']}</a></font>
Change it to this:
<tr><td colspan=5" class="tdheader">
<font size="1"><a href="javascript:void(0);" onclick="showMenu('globeMenu',this.id,20,5);event.cancelBubble=true" id="globeCrumb"><img src="{$config['imageurl']}/globe.gif" border="0" align="middle" alt="Today's Active Topics and New Since Last Visit" /></a>
<a href="{$config['phpurl']}/ubbthreads.php?Cat=">{$config['title']}</a></font>
</td></tr>
In ubbt_header.tmpl you say put this:
<body onClick="clearMenus()">
Change to this:
<body onclick="clearMenus()">
In header-insert.php you say put this:
<script src="/ubbthreads/includes/breadCrumbMenu.js" language="JavaScript">
</script>
<style type="text/css">
<!--
#globeMenu {z-index: 500; position: absolute; visibility: hidden;}
#catMenu {z-index: 600; position: absolute; visibility: hidden;}
#forumMenu {z-index: 700; position: absolute; visibility: hidden;}
-->
</style>
Change it to this:
<script src="/ubbthreads/includes/breadCrumbMenu.js" language="JavaScript" type="text/javascript">
</script>
<style type="text/css">
<!--
#globeMenu {z-index: 500; position: absolute; visibility: hidden;}
#catMenu {z-index: 600; position: absolute; visibility: hidden;}
#forumMenu {z-index: 700; position: absolute; visibility: hidden;}
-->
</style>
I also changed the alterline class on the classes in ubbt.inc.php since on most stylesheets this is a bit vague a color. I made them darktable to see better.