Как сделать расположение быстрого поиска на сайте в одном месте на разных разрешениях экрана?

<?php
/*
=====================================================
 DataLife Engine - by SoftNews Media Group 
-----------------------------------------------------
 http://dle-news.ru/
-----------------------------------------------------
 Copyright (c) 2004,2015 SoftNews Media Group
=====================================================
 Данный код защищен авторскими правами
=====================================================
 Файл: search.php
-----------------------------------------------------
 Назначение: Быстрый поиск
=====================================================
*/

@error_reporting ( E_ALL ^ E_WARNING ^ E_NOTICE );
@ini_set ( 'display_errors', true );
@ini_set ( 'html_errors', false );
@ini_set ( 'error_reporting', E_ALL ^ E_WARNING ^ E_NOTICE );

define( 'DATALIFEENGINE', true );
define( 'ROOT_DIR', substr( dirname(  __FILE__ ), 0, -12 ) );
define( 'ENGINE_DIR', ROOT_DIR . '/engine' );

include ENGINE_DIR . '/data/config.php';

date_default_timezone_set ( $config['date_adjust'] );

if( $config['http_home_url'] == "" ) {
    
    $config['http_home_url'] = explode( "engine/ajax/search.php", $_SERVER['PHP_SELF'] );
    $config['http_home_url'] = reset( $config['http_home_url'] );
    $config['http_home_url'] = "http://" . $_SERVER['HTTP_HOST'] . $config['http_home_url'];

}

require_once ENGINE_DIR . '/classes/mysql.php';
require_once ENGINE_DIR . '/data/dbconfig.php';
require_once ENGINE_DIR . '/modules/functions.php';

dle_session();

require_once ENGINE_DIR . '/modules/sitelogin.php';
require_once ROOT_DIR . '/language/' . $config['langs'] . '/website.lng';
if( ! $is_logged ) $member_id['user_group'] = 5;

//################# Определение групп пользователей
$user_group = get_vars( "usergroup" );

if( ! $user_group ) {
    $user_group = array ();
    
    $db->query( "SELECT * FROM " . USERPREFIX . "_usergroups ORDER BY id ASC" );
    
    while ( $row = $db->get_row() ) {

        $user_group[$row['id']] = array ();
        
        foreach ( $row as $key => $value ) {
            $user_group[$row['id']][$key] = stripslashes($value);
        }
    
    }
    set_vars( "usergroup", $user_group );
    $db->free();
}

if( !$config['fast_search'] OR !$user_group[$member_id['user_group']]['allow_search'] ) die( "error" );

//####################################################################################################################
//                    Определение категорий и их параметры
//####################################################################################################################
$cat_info = get_vars( "category" );

if( ! is_array( $cat_info ) ) {
    $cat_info = array ();
    
    $db->query( "SELECT * FROM " . PREFIX . "_category ORDER BY posi ASC" );
    while ( $row = $db->get_row() ) {
        
        $cat_info[$row['id']] = array ();
        
        foreach ( $row as $key => $value ) {
            $cat_info[$row['id']][$key] = stripslashes( $value );
        }
    
    }
    set_vars( "category", $cat_info );
    $db->free();
}

$query = $db->safesql( htmlspecialchars ( trim(  strip_tags (convert_unicode( $_POST['query'], $config['charset'] ) ) ), ENT_QUOTES, $config['charset']) );

if( $query == "" ) die();

$buffer = "";

function translit_en($string) {
    $letter = array(
    '`' => 'ё',    'q' => 'й',    'w' => 'ц',    'e' => 'у',    'r' => 'к',    't' => 'е',    'y' => 'н',    'u' => 'г',    
    'i' => 'ш',    'o' => 'щ',    'p' => 'з',    '[' => 'х',    ']' => 'ъ',    'a' => 'ф',    's' => 'ы',    'd' => 'в',    
    'f' => 'а',    'g' => 'п',    'h' => 'р',    'j' => 'о',    'k' => 'л',    'l' => 'д',    ';' => 'ж',    '&#039;' => 'э',    
    'z' => 'я',    'x' => 'ч',    'c' => 'с',    'v' => 'м',    'b' => 'и',    'n' => 'т',    'm' => 'ь',    ',' => 'б',    
    '.' => 'ю',
    '~' => 'Ё',    'Q' => 'Й',    'W' => 'Ц',    'E' => 'У',    'R' => 'К',    'T' => 'Е',    'Y' => 'Н',    'U' => 'Г',    
    'I' => 'Ш',    'O' => 'Щ',    'P' => 'З',    '{' => 'Х',    '}' => 'Ъ',    'A' => 'Ф',    'S' => 'Ы',    'D' => 'В',    
    'F' => 'А',    'G' => 'П',    'H' => 'Р',    'J' => 'О',    'K' => 'Л',    'L' => 'Д',    ':' => 'Ж',    '&quot;' => 'Э',    
    'Z' => 'Я',    'X' => 'Ч',    'C' => 'С',    'V' => 'М',    'B' => 'И',    'N' => 'Т',    'M' => 'Ь',    '<' => 'Б',    
    '>' => 'Ю'
    );
    return strtr($string, $letter);
    }
    function translit_ru($string) {
    $letter = array(
    'ё' => '`',    'й' => 'q',    'ц' => 'w',    'у' => 'e',    'к' => 'r',    'е' => 't',    'н' => 'y',    'г' => 'u',    
    'ш' => 'i',    'щ' => 'o',    'з' => 'p',    'х' => '[',    'ъ' => ']',    'ф' => 'a',    'ы' => 's',    'в' => 'd',    
    'а' => 'f',    'п' => 'g',    'р' => 'h',    'о' => 'j',    'л' => 'k',    'д' => 'l',    'ж' => ';',    'э' => '&#039;',    
    'я' => 'z',    'ч' => 'x',    'с' => 'c',    'м' => 'v',    'и' => 'b',    'т' => 'n',    'ь' => 'm',    'б' => ',',    
    '.' => 'ю',    
    'Ё' => '~',    'Й' => 'Q',    'Ц' => 'W',    'У' => 'E',    'К' => 'R',    'Е' => 'T',    'Н' => 'Y',    'Г' => 'U',    
    'Ш' => 'I',    'Щ' => 'O',    'З' => 'P',    'Х' => '{',    'Ъ' => '}',    'Ф' => 'A',    'Ы' => 'S',    'В' => 'D',    
    'А' => 'F',    'П' => 'G',    'Р' => 'H',    'О' => 'J',    'Л' => 'K',    'Д' => 'L',    'Ж' => ':',    'Э' => '&quot;',    
    'Я' => 'Z',    'Ч' => 'X',    'С' => 'C',    'М' => 'V',    'И' => 'B',    'Т' => 'N',    'Ь' => 'M',    'Б' => '<',    
    '>' => 'Ю'
    );
    return strtr($string, $letter);
    }

$_TIME = time ();
$this_date = date( "Y-m-d H:i:s", $_TIME );
if( $config['no_date'] AND !$config['news_future'] ) $this_date = " AND " . PREFIX . "_post.date < '" . $this_date . "'"; else $this_date = "";

 $en = translit_en($query);
    $ru = translit_ru($query);
    $db->query( "SELECT id, short_story, title, date, alt_name, category, xfields FROM " . PREFIX . "_post WHERE " . PREFIX . "_post.approve=1" . $this_date . " AND (title LIKE '%{$query}%' OR title LIKE '%{$en}%' OR title LIKE '%{$ru}%') ORDER by date DESC LIMIT 5" );

while($row = $db->get_row()) {
 
    $row['date'] = strtotime( $row['date'] );
    $row['category'] = intval( $row['category'] );

        if( $config['allow_alt_url'] ) {
            
            if( $config['seo_type'] == 1 OR $config['seo_type'] == 2 ) {
                
                if( $row['category'] and $config['seo_type'] == 2 ) {
                    
                    $full_link = $config['http_home_url'] . get_url( $row['category'] ) . "/" . $row['id'] . "-" . $row['alt_name'] . ".html";
                
                } else {
                    
                    $full_link = $config['http_home_url'] . $row['id'] . "-" . $row['alt_name'] . ".html";
                
                }
            
            } else {
                
                $full_link = $config['http_home_url'] . date( 'Y/m/d/', $row['date'] ) . $row['alt_name'] . ".html";
            }
        
        } else {
            
            $full_link = $config['http_home_url'] . "index.php?newsid=" . $row['id'];
        
        }

        $row['title'] = stripslashes($row['title']);

        if( dle_strlen( $row['title'], $config['charset'] ) > 43 ) $title = dle_substr( $row['title'], 0, 43, $config['charset'] ) . " ...";
        else $title = $row['title'];

        $row['short_story'] = trim (htmlspecialchars( strip_tags( stripslashes( str_replace( array("<br />", "&nbsp;"), " ", $row['short_story'] ) ) ), ENT_QUOTES, $config['charset'] ) );

        if( $user_group[$member_id['user_group']]['allow_hide'] ) $row['short_story'] = str_ireplace( "[hide]", "", str_ireplace( "[/hide]", "", $row['short_story']) );
        else $row['short_story'] = preg_replace ( "#\[hide\](.+?)\[/hide\]#is", "", $row['short_story'] );


        if( dle_strlen( $row['short_story'], $config['charset'] ) > 400 ) $description = dle_substr( $row['short_story'], 0, 400, $config['charset'] ) . " ...";
        else $description = $row['short_story'];

        $description = str_replace('&amp;', '&', $description);

        $description = preg_replace( "'\[attachment=(.*?)\]'si", "", $description );

                $xfieldsdata = xfieldsdataload( $row['xfields'] );

        $buffer .= "<a href=\"" . $full_link . "\"><img width=\"50px\" height=\"75px\" src=\"".$xfieldsdata['poster']."\" class=\"poster\" style=\"float:left; margin:0 5px 0 0px;\"><span class=\"searchheading\">" . 
stripslashes( $title ) . " - " . $cat_info[$row['category']]['name'] ."</span>" .
$description."<br></a>";

               
}

if ( !$buffer ) $buffer .= "<span class=\"notfound\">{$lang['related_not_found']}</span>";

$buffer .= '<span class="seperator"><a href="'.$config['http_home_url'].'?do=search&amp;mode=advanced&amp;subaction=search&amp;story='.$query.'">'.$lang['s_ffullstart'].'</a></span><br class="break" />';

@header( "Content-type: text/html; charset=" . $config['charset'] );
echo $buffer;

?>