if( $this->until != '' ) {
$r .= $this->pagingLinks( $this->title, $this->nextPage, $this->until, $this->limit );
} elseif( $this->nextPage != '' || $this->from != '' ) {
$r .= $this->pagingLinks( $this->title, $this->from, $this->nextPage, $this->limit );
}
if( $this->until != '' ) {
$r .= $this->pagingLinks( $this->title, $this->nextPage, $this->until, $this->limit );
} elseif( $this->nextPage != '' || $this->from != '' ) {
$r .= $this->pagingLinks( $this->title, $this->from, $this->nextPage, $this->limit );
}