function get_menu($str) {
 global $cfg, $menuAll, $menuChildren, $page;
 $offsetx = -4;
 $ret = '';
 foreach ($menuAll as $key => $value) {
  if ($value[0] == '') {
   $tmp = str_replace('{:id:}'     ,$key                , $str);
   $tmp = str_replace('{:link:}'   ,'?'.$cfg['page_par'].'='.$menuChildren[$key][0] , $tmp);
   $tmp = str_replace('{:width:}'  ,$value[4]           , $tmp);
   $tmp = str_replace('{:height:}' ,$cfg['menu_bheight'], $tmp);
   $tmp = str_replace('{:offsetx:}',$offsetx            , $tmp);
   $margin = $key == 'home' ? 'margin-left: 11px; ' : '';
   $tmp = str_replace('{:margin:}' ,$margin            , $tmp);
   if ($key == $page['id'] || $key == $menuAll[$page['id']][0]) {
    $tmp = str_replace('{:img:}'   ,'m_' .$key. '.jpg'  , $tmp);
   } else {
    $tmp = str_replace('{:img:}'   ,'0.gif'             , $tmp);
   }
   if ($key == $page['id']) {
    $tmp = str_replace('{:url:}'   ,'#'                 , $tmp);
   } else {
    $tmp = str_replace('{:url:}'   ,$_SERVER['PHP_SELF']. '?' .$cfg['page_par']. '=' .$key, $tmp);
   }
   $ret .= $tmp;
   $offsetx+= $value[4];
  }
 }
 return $ret;
}