Could not find in the header.php Installation / Upgrading - All in One SEO Pack Forum

<?php
/**
* Functions to handle the custom header
*
* @package itx_themes
* @version 2.0.1
*/

function itx_header(){
extract(itx_get_option('header'));
if ($head_type==1){
echo'
<div id="headerwrap">';
if (!$scope) echo '<div id="header" class="wrap">';
echo '<div class="clear"></div>
<a href="'.get_option('home').'/" title="'.htmlspecialchars(get_bloginfo('name')).'">
<img src="'.$logo.'" alt="'.htmlspecialchars(get_bloginfo('name')).'" title="'.htmlspecialchars(get_bloginfo('name')).'" />
</a>';
if (!$scope) echo '</div>';
echo '</div>';
}else{
echo'
<div id="headerwrap"><div class="clear"></div>
<div id="header" class="wrap">
<h1><a href="'.get_option('home').'">'.get_bloginfo('name').'</a></h1>
<span>'.get_bloginfo('description').'</span>
</div>
</div>';
}
}

function itx_header_styles(){
$halfwrap=$fullwrap='';
extract(itx_get_option('header'));

$height=empty($height)?'':" height:$height;";
$bg=(empty($bg))?$image:$bg;
$img="background:$bgcolor url($bg) $repeat $h_align $v_align;$height";
if ($scope==1) $fullwrap=$img;
else $halfwrap=$img;

if (itx_get_option('layout','wrapping')=='fixed') $maxw=itx_get_option('layout','wrap').'px';
else $maxw='98%';
echo "
#headerwrap{ $fullwrap text-align: $text_align;}
#header{ $halfwrap }
#header h1 {font-size: {$font_size};}
#header h1 a {color: $color;text-decoration: none;}
#header h1 a:hover {color: $hover_color;}
#header img{max-width:$maxw;}
#header span {font-size: {$span_font_size};color: $span_color;}";
}

?>