[Chadi]

Just found this and installed it. However, the right column is showing up below the footer and the left column above the forum (both on forumhome) categories.

I did exactly as told:

header

<!-- logo -->
<a name="top"></a>
<table border="0" width="$stylevar[outertablewidth]" cellpadding="0" cellspacing="0" align="center" class="header_bg">
<tr>
    <td align="$stylevar[left]" valign="top" height="112"><a href="$vboptions[forumhome].php$session[sessionurl_q]"><img src="$stylevar[titleimage]" border="0" alt="$vboptions[bbtitle]" /></a></td>
    <td align="$stylevar[right]">
        &nbsp;
<!-- banners -->

    </td>
</tr>
<tr>
<td height="34" colspan="2">

<!-- nav buttons bar -->
<div align="center" style="z-index: 100;">
    <table  cellpadding="$stylevar[cellpadding]" cellspacing="0" border="0" width="100%" align="center">
    <tr align="center">
            <if condition="$show['member']"><else /><if condition="in_array(THIS_SCRIPT, array(index))"><else /><td class="nav_menu_control"><a id="toggle" href="#" name="toggle">$vbphrase[vbstyles_login]</a> </td></if></if>
        <if condition="$show['member']">
            <td class="nav_menu_control"><a href="usercp.php$session[sessionurl_q]">$vbphrase[user_cp]</a></td>
        </if>
        <if condition="$show['registerbutton']">
            <td class="nav_menu_control"><a href="register.php$session[sessionurl_q]" rel="nofollow">$vbphrase[register]</a></td>
        </if>
 $template_hook[navbar_buttons_left]
<!-- <td class="nav_menu_control"><a href="project.php$session[sessionurl_q]">$vbphrase[projects]</a></td> -->
        <td class="nav_menu_control"><a href="faq.php$session[sessionurl_q]" accesskey="5">$vbphrase[faq]</a></td>
        <td class="nav_menu_control"><a href="memberlist.php$session[sessionurl_q]">$vbphrase[members_list]</a></td>
        <td class="nav_menu_control"><a href="calendar.php$session[sessionurl_q]">$vbphrase[calendar]</a></td>
        <if condition="$show['popups']">        
            <if condition="$show['searchbuttons']">
                <if condition="$show['member']">
                <td class="nav_menu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">$vbphrase[new_posts_nav]</a></td>
                <else />
                <td class="nav_menu_control"><a href="search.php?$session[sessionurl]do=getdaily" accesskey="2">$vbphrase[todays_posts]</a></td>
                </if>
                <td id="navbar_search" class="nav_menu_control"><a href="search.php$session[sessionurl_q]" accesskey="4" rel="nofollow">$vbphrase[search]</a> <if condition="$show['quicksearch']"><script type="text/javascript"> vbmenu_register("navbar_search"); </script></if></td>
            </if>
            <if condition="$show['member']">
                <td id="usercptools" class="nav_menu_control"><a href="$show[nojs_link]#usercptools">$vbphrase[quick_links]</a> <script type="text/javascript"> vbmenu_register("usercptools"); </script></td>        
            </if>
        <else />        
            <if condition="$show['searchbuttons']">
                <td class="nav_menu_control"><a href="search.php$session[sessionurl_q]" accesskey="4">$vbphrase[search]</a></td>
                <if condition="$show['member']">
                <td class="nav_menu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">$vbphrase[new_posts_nav]</a></td>
                <else />
                <td class="nav_menu_control"><a href="search.php?$session[sessionurl]do=getdaily" accesskey="2">$vbphrase[todays_posts]</a></td>
                </if>
            </if>
            <td class="nav_menu_control"><a href="forumdisplay.php?$session[sessionurl]do=markread" rel="nofollow">$vbphrase[mark_forums_read]</a></td>
            <if condition="$show['member']">            
                <td class="nav_menu_control"><a href="#" onclick="window.open('misc.php?$session[sessionurl]do=buddylist&amp;focus=1','buddylist','statusbar=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,width=250,height=300'); return false;">$vbphrase[open_buddy_list]</a></td>            
            </if>            
        </if>
$template_hook[navbar_buttons_right]
        <if condition="$show['member']">
            <td class="nav_menu_control"><a href="login.php?$session[sessionurl]do=logout&amp;logouthash=$bbuserinfo[logouthash]" onclick="return log_out('$vbphrase[sure_you_want_to_log_out]')">$vbphrase[log_out]</a></td>
        </if>
    </tr>
    </table>
</div>
<!-- / nav buttons bar -->
</td></tr>
</table>
<!-- /logo -->

<!-- content table -->
$spacer_open

$_phpinclude_output
<if condition="$show['member']"><else /><if condition="in_array(THIS_SCRIPT, array(index))"><else />
<div class="spacer"></div>
<div id="vbstyles_element" align="right" style="z-index: 10;">
<div id="vbstyles_element_in" align="center">
                  <!-- login form -->
             <form action="login.php?do=login" method="post" onsubmit="md5hash(vb_login_password, vb_login_md5password, vb_login_md5password_utf, $show[nopasswordempty])">
        <script type="text/javascript" src="clientscript/vbulletin_md5.js?v=$vboptions[simpleversion]"></script>
                <div class="smallfont" style="z-index: -6;">
                  <input type="text" class="navbar_forms" style="font-size: 11px" name="vb_login_username" id="navbar_username" size="16" accesskey="u" tabindex="101" value="$vbphrase[username]" onfocus="if (this.value == '$vbphrase[username]') this.value = '';" />
                  <label for="cb_cookieuser_navbar"><input type="hidden" name="cookieuser" value="1" tabindex="103" id="cb_cookieuser_navbar" /></label>
                  <input type="password" class="navbar_forms" style="font-size: 11px" name="vb_login_password" id="navbar_password" size="16"  tabindex="102" onfocus="this.value=''" value="Password" />
                  <input  type="image" src="$stylevar[imgdir_button]/go.gif" style="vertical-align: middle;"/>
                </div>
                <input type="hidden" name="s" value="$session[sessionhash]" />
                <input type="hidden" name="do" value="login" />        
                <input type="hidden" name="vb_login_md5password" />
                <input type="hidden" name="vb_login_md5password_utf" />
                </form>

              <!-- / login form -->
</div>
</div>
<div class="spacer_small"></div></if></if>

<!-- USC header edit start -->
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
$usc_left
<td valign="top">
<!-- USC header edit end -->

footer

<br /><br />
<div align="center">
    <div class="smallfont" align="center">
    <!-- Do not remove this copyright notice -->
    $vbphrase[powered_by_vbulletin]<br />
    vBulletin Skin developed by: <a href="http://www.vbstyles.com">vBStyles.com</a><br />
<div class="spacer"></div>
<if condition="in_array(THIS_SCRIPT, array(index))"><a href="http://validator.w3.org/check?uri=referer"><img
        src="$stylevar[imgdir_misc]/w3cxhtml.gif"
        alt="Valid XHTML 1.0 Transitional" height="13" width="73" border="0" /></a> <a href="http://jigsaw.w3.org/css-validator/check/referer ">
  <img src="$stylevar[imgdir_misc]/w3ccss.gif" alt="Valid CSS!" height="13" width="73" border="0" />
</a></if>
    <!-- Do not remove this copyright notice -->
    </div>
    
    <div class="smallfont" align="center">
    <!-- Do not remove $cronimage or your scheduled tasks will cease to function -->
    $cronimage
    <!-- Do not remove $cronimage or your scheduled tasks will cease to function -->
    
    $vboptions[copyrighttext]
    </div>
</div>
<br />

<!-- USC footer edit start -->
</td>
$usc_right
</tr>
</table>
<!-- USC footer edit end -->

$spacer_close

<!-- /content area table -->

<form action="$vboptions[forumhome].php" method="get">
    
<table cellpadding="$stylevar[cellpadding]" cellspacing="0" border="0" width="$stylevar[outertablewidth]" class="page" align="center">
<tr>
    <if condition="$show['quickchooser']">
        <td class="tfoot">
            <select name="styleid" onchange="switch_id(this, 'style')">
                <optgroup label="$vbphrase[quick_style_chooser]">
                    $quickchooserbits
                </optgroup>
            </select>
        </td>
    </if>
    <if condition="$show['languagechooser']">
        <td class="tfoot">
            <select name="langid" onchange="switch_id(this, 'lang')">
                <optgroup label="$vbphrase[quick_language_chooser]">
                    $languagechooserbits
                </optgroup>
            </select>
        </td>
    </if>
    <td class="tfoot" align="$stylevar[right]" width="100%">
        <div class="smallfont">
            <strong>
                <if condition="$show['contactus']"><a href="$vboptions[contactuslink]" rel="nofollow" accesskey="9">$vbphrase[contact_us]</a> -</if>
                <if condition="$vboptions['hometitle']"><a href="$vboptions[homeurl]">$vboptions[hometitle]</a> -</if>
                <if condition="$show['admincplink']"><a href="$admincpdir/index.php$session[sessionurl_q]">$vbphrase[admin]</a> -</if>
                <if condition="$show['modcplink']"><a href="$modcpdir/index.php$session[sessionurl_q]">$vbphrase[mod]</a> -</if>
                <if condition="$vboptions['archiveenabled']"><a href="archive/index.php">$vbphrase[archive]</a> -</if>
                <if condition="$vboptions[privacyurl]"><a href="$vboptions[privacyurl]">$vbphrase[privacy_statement]</a> -</if>
                <a href="#top" onclick="self.scrollTo(0, 0); return false;">$vbphrase[top]</a>
            </strong>
        </div>
    </td>
</tr>
</table>

</form>
</div></div>


<if condition="$show['dst_correction']">
<!-- auto DST correction code -->
<form action="profile.php?do=dst" method="post" name="dstform">
    <input type="hidden" name="s" value="$session[sessionhash]" />
    <input type="hidden" name="do" value="dst" />
</form>
<script type="text/javascript">
<!--
    var tzOffset = $bbuserinfo[timezoneoffset] + $bbuserinfo[dstonoff];
    var utcOffset = new Date().getTimezoneOffset() / 60;
    if (Math.abs(tzOffset + utcOffset) == 1)
    {    // Dst offset is 1 so its changed
        document.forms.dstform.submit();
    }
//-->
</script>
<!-- / auto DST correction code -->

</if>
<script type="text/javascript">
<!--
    // Main vBulletin Javascript Initialization
    vBulletin_init();
//-->
</script>