Something

<VirtualHost 64.235.209.131:80>
        ServerName   metallion.org:80
        ServerAlias  www.metallion.org
        UseCanonicalName Off
        ServerAdmin  "admin@metallion.org"
        DocumentRoot /usr/local/www/vhosts/metallion.org/httpdocs
        CustomLog  /usr/local/www/vhosts/metallion.org/statistics/logs/access_log plesklog
        ErrorLog   /usr/local/www/vhosts/metallion.org/statistics/logs/error_log
<IfModule mod_userdir.c>
        UserDir /usr/local/www/vhosts/metallion.org/web_users
</IfModule>
        <IfModule mod_ssl.c>
                SSLEngine off
        </IfModule>
        <Directory /usr/local/www/vhosts/metallion.org/httpdocs>
        <IfModule sapi_apache2.c>
                php_admin_flag engine on
                php_admin_flag safe_mode on
                php_admin_value open_basedir "/usr/local/www/vhosts/metallion.org/httpdocs:/tmp"
        </IfModule>
        <IfModule mod_php5.c>
                php_admin_flag engine on
                php_admin_flag safe_mode on
                php_admin_value open_basedir "/usr/local/www/vhosts/metallion.org/httpdocs:/tmp"
        </IfModule>
                Options -Includes -ExecCGI
        </Directory>
        <Directory /usr/local/www/vhosts/metallion.org/web_users>
        <IfModule sapi_apache2.c>
                php_admin_flag engine off
        </IfModule>
.........



<VirtualHost 64.235.209.131:80>
        ServerName   forum.metallion.org:80
        ServerAdmin  "admin@metallion.org"
        DocumentRoot /usr/local/www/vhosts/metallion.org/subdomains/forum/httpdocs
        CustomLog  /usr/local/www/vhosts/metallion.org/statistics/logs/access_log plesklog
        ErrorLog   /usr/local/www/vhosts/metallion.org/statistics/logs/error_log
        <IfModule mod_ssl.c>
                SSLEngine off
        </IfModule>
        <Directory  /usr/local/www/vhosts/metallion.org/subdomains/forum/httpdocs>
        <IfModule sapi_apache2.c>
                php_admin_flag engine on
                php_admin_flag safe_mode on
                php_admin_value open_basedir "/usr/local/www/vhosts/metallion.org/subdomains/forum/httpdocs:/tmp"
        </IfModule>
        <IfModule mod_php5.c>
                php_admin_flag engine on
                php_admin_flag safe_mode on
                php_admin_value open_basedir "/usr/local/www/vhosts/metallion.org/subdomains/forum/httpdocs:/tmp"
        </IfModule>
                Options -Includes -ExecCGI
        </Directory>
</VirtualHost>