vBulletin LTS

Go to your header template
(AdminCp -> Styles & Templates -> Edit Templates -> header)

Replace all the content with this code:

Code:

<if condition="THIS_SCRIPT == 'register'">
<!-- logo -->
<a name="top"></a>
<table border="0" width="$stylevar[outertablewidth]" cellpadding="0" cellspacing="0" align="center">
<tr>
    <td align="$stylevar[left]"><a href="$vboptions[forumhome].php$session[sessionurl_q]"><img src="$stylevar[titleimage]" border="0" alt="$vboptions[bbtitle]" /></a></td>
    <td align="$stylevar[right]">
        &nbsp;
    </td>
</tr>
</table>
<!-- /logo -->
<!-- content table -->
$spacer_open
$_phpinclude_output
<else />
<!-- content table -->
$spacer_open
$_phpinclude_output
</if>

Now go to your FORUMHOME template.
Search for this code:

Code:

<if condition="$show['guest']">
<!-- guest welcome message -->
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
<tr>
    <td class="tcat"><phrase 1="$vboptions[bbtitle]">$vbphrase[welcome_to_the_x]</phrase></td>
</tr>
<tr>
    <td class="alt1">
        <phrase 1="faq.php$session[sessionurl_q]" 2="register.php$session[sessionurl_q]">$vbphrase[first_visit_message]</phrase>
    </td>
</tr>
</table>
<!-- / guest welcome message -->
<br />
</if>

Delete it.

Now you have to add the modification code to your navbar.
Then, open your navbar template and add this code to the top:

Code:

<br />
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
<tr>
    <td class="thead" <if condition="$show['guest']">colspan="3"<else />colspan="2"</if>>$vboptions[bbtitle] Navigation</td>
</tr>
<tr>
<td class="alt2" <if condition="$show['guest']">colspan="3"<else />colspan="2"</if>>
<!-- nav buttons bar -->
<div align="center">
    <table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="0" border="0" width="100%" align="center">
    <tr align="center">
        <if condition="$show['member']">
            <td class="vbmenu_control"><a href="usercp.php$session[sessionurl_q]">$vbphrase[user_cp]</a></td>
        </if>
        <if condition="$show['registerbutton']">
            <td class="vbmenu_control"><a href="register.php$session[sessionurl_q]" rel="nofollow">$vbphrase[register]</a></td>
        </if>
        $template_hook[navbar_buttons_left]
        <td class="vbmenu_control"><a href="faq.php$session[sessionurl_q]" accesskey="5">$vbphrase[faq]</a></td>
        <td class="vbmenu_control"><a href="memberlist.php$session[sessionurl_q]">$vbphrase[members_list]</a></td>
        <td class="vbmenu_control"><a href="calendar.php$session[sessionurl_q]">$vbphrase[calendar]</a></td>
        <if condition="$show['popups']">        
            <if condition="$show['searchbuttons']">
                <if condition="$show['member']">
                <td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">$vbphrase[new_posts_nav]</a></td>
                <else />
                <td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getdaily" accesskey="2">$vbphrase[todays_posts]</a></td>
                </if>
                <td id="navbar_search" class="vbmenu_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="vbmenu_control"><a href="$show[nojs_link]#usercptools">$vbphrase[quick_links]</a> <script type="text/javascript"> vbmenu_register("usercptools"); </script></td>        
            </if>
        <else />        
            <if condition="$show['searchbuttons']">
                <td class="vbmenu_control"><a href="search.php$session[sessionurl_q]" accesskey="4">$vbphrase[search]</a></td>
                <if condition="$show['member']">
                <td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">$vbphrase[new_posts_nav]</a></td>
                <else />
                <td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getdaily" accesskey="2">$vbphrase[todays_posts]</a></td>
                </if>
            </if>
            <td class="vbmenu_control"><a href="forumdisplay.php?$session[sessionurl]do=markread" rel="nofollow">$vbphrase[mark_forums_read]</a></td>
            <if condition="$show['member']">            
                <td class="vbmenu_control"><a href="#" onclick="window.open('misc.php?$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="vbmenu_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>
<tr>
<td <if condition="$show['guest']">width="15%"<else />width="75%"</if> class="alt1">
<!-- logo -->
<a name="top"></a>
<table border="0" width="$stylevar[outertablewidth]" cellpadding="0" cellspacing="0" align="center">
<tr>
<td align="$stylevar[left]"><a href="$vboptions[forumhome].php$session[sessionurl_q]"><img src="$stylevar[titleimage]" border="0" alt="$vboptions[bbtitle]" /></a></td>
<td align="$stylevar[right]">
&nbsp;
</td>
</tr>
</table>
<!-- /logo -->
</td>
<if condition="$show['guest']">
<td class="alt1" width="55%">
<!-- guest welcome message -->
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
<tr>
    <td class="thead"><phrase 1="$vboptions[bbtitle]">$vbphrase[welcome_to_the_x]</phrase></td>
</tr>
<tr>
    <td class="alt1"><div class="smallfont">
        <phrase 1="faq.php$session[sessionurl_q]" 2="register.php$session[sessionurl_q]">$vbphrase[first_visit_message]</phrase>
</div>
    </td>
</tr>
</table>
<!-- / guest welcome message -->
</td>
</if>
<td class="alt2" <if condition="$show['guest']">width="30%"<else />width="25%"</if> valign="top">
    <if condition="$show['member']">
        <div class="smallfont" style="text-align: left">
            <strong><phrase 1="$bbuserinfo[username]"><a href="member.php?$session[sessionurl]u=$bbuserinfo[userid]">$vbphrase[welcome_x]</a></phrase></strong><br />
            <phrase 1="$pmbox[lastvisitdate]" 2="$pmbox[lastvisittime]">$vbphrase[last_visited_x_at_y]</phrase>
            <if condition="$show['pmstats']"><br /><phrase 1="$vbphrase[unread_x_nav_compiled]" 2="$vbphrase[total_x_nav_compiled]" 3="$session[sessionurl_q]">$vbphrase[private_messages_nav]</phrase></if>
            <if condition="$show['pmwarning']"><br /><strong><phrase 1="$vbphrase[pmpercent_nav_compiled]">$vbphrase[your_pm_box_is_x_full]</phrase></strong></if>
        </div>
    <else />
        <!-- 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>
        <table cellpadding="0" cellspacing="$stylevar[formspacer]" border="0">
        <tr>
            <td class="smallfont"><label for="navbar_username">$vbphrase[username]</label></td>
            <td><input type="text" class="bginput" style="font-size: 11px" name="vb_login_username" id="navbar_username" size="10" accesskey="u" tabindex="101" value="$vbphrase[username]" onfocus="if (this.value == '$vbphrase[username]') this.value = '';" /></td>
            <td class="smallfont" colspan="2" nowrap="nowrap"><label for="cb_cookieuser_navbar"><input type="checkbox" name="cookieuser" value="1" tabindex="103" id="cb_cookieuser_navbar" accesskey="c" />$vbphrase[remember_me]</label></td>
        </tr>
        <tr>
            <td class="smallfont"><label for="navbar_password">$vbphrase[password]</label></td>
            <td><input type="password" class="bginput" style="font-size: 11px" name="vb_login_password" id="navbar_password" size="10" tabindex="102" /></td>
            <td><input type="submit" class="button" value="$vbphrase[log_in]" tabindex="104" title="$vbphrase[enter_username_to_login_or_register]" accesskey="s" /></td>
        </tr>
        </table>
        <input type="hidden" name="s" value="$session[sessionhash]" />
        <input type="hidden" name="do" value="login" />        
        <input type="hidden" name="vb_login_md5password" />
        <input type="hidden" name="vb_login_md5password_utf" />
        </form>
        <!-- / login form -->
    </if>    
&nbsp;
<div class="smallfont">
    <if condition="$show['member']">
[<a href="profile.php?$session[sessionurl]do=editprofile">$vbphrase[edit_profile]</a>] - [<a href="profile.php?$session[sessionurl]do=editavatar">$vbphrase[edit_avatar]</a>] <br />
[<a href="profile.php?$session[sessionurl]do=editoptions">$vbphrase[edit_options]</a>] - [<a href="search.php?$session[sessionurl]do=process&amp;showposts=0&amp;starteronly=1&amp;exactname=1&amp;searchuser={$bbuserinfo['username']}" rel="nofollow">My Threads</a>]
<else />
Please, log in with the from above. <br />
If you're not a member, you can <a href="register.php">sign up</a> now.
</if> 
</div>
</td>
</tr>
<tr>
<td class="alt1" <if condition="$show['member']">colspan="2"<else />colspan="3"</if>>
<!-- breadcrumb, login, pm info -->
<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
<tr>
    <td class="alt1" width="100%">
<span style="float: right" class="smallfont">[<a href="$vboptions[forumhome].php$session[sessionurl_q]">Forum Home</a>] - [<a href="sendmessage.php">Contact Us</a>]</span>
        <if condition="is_array($navbits)">
            <table cellpadding="0" cellspacing="0" border="0">
            <tr valign="bottom">
                <td><a href="#" onclick="history.back(1); return false;"><img src="$stylevar[imgdir_misc]/navbits_start.gif" alt="$vbphrase[go_back]" border="0" /></a></td>
                <td>&nbsp;</td>
                <td width="100%"><span class="navbar"><a href="$vboptions[forumhome].php$session[sessionurl_q]" accesskey="1">$vboptions[bbtitle]</a></span> $navbits[breadcrumb]</td>
            </tr>
            <tr>
                <td class="navbar" style="font-size:10pt; padding-top:1px" colspan="3"><if condition="$_SERVER['REQUEST_METHOD'] == 'POST'"><img class="inlineimg" src="$stylevar[imgdir_misc]/navbits_finallink_$stylevar[textdirection].gif" alt="" border="0" /><else /><a href="$scriptpath"><img class="inlineimg" src="$stylevar[imgdir_misc]/navbits_finallink_$stylevar[textdirection].gif" alt="$vbphrase[reload_this_page]" border="0" /></a></if> <strong>$navbits[lastelement]</strong></td>
            </tr>
            </table>            
        <else />
            <div class="navbar" style="font-size:10pt"><a href="$vboptions[forumhome].php$session[sessionurl_q]" accesskey="1"><img class="inlineimg" src="$stylevar[imgdir_misc]/navbits_start.gif" alt="" border="0" /></a> <strong>$vboptions[bbtitle]</strong></div>
        </if>
    </td>    
</tr>
</table>
<!-- / breadcrumb, login, pm info -->
</td>
</tr>
</table>

(Remember to chech the red code if you want to change some phrases)

Still in your navbar template delete all the content inside these two comments:

Code:

<!-- breadcrumb, login, pm info -->

..and:

Code:

<!-- / nav buttons bar -->

Delete the content inside these two comments (comments included )!