function page_navigator($begin, $end, $currentpage, $spread = 4)
{
	$ret = array();
	
	$i = $begin;
	$end++;
	
	for (; $i < min($end, $begin + $spread); $i++)
		$ret[] = $i;
	
	if ($i < ($end - $spread) && $i < ($currentpage - ($spread / 2)))
		$ret[] = '...';
		
	for ($i = max($currentpage - (int)($spread / 2), $i); $i < min($end - $spread, $currentpage + (int)($spread / 2) + 1); $i++)
	{
		$ret[] = $i;
	}
	
	if ($i < ($end - $spread))
	{
		$ret[] = '...';
	}
	
	for ($i = max($i, $end - $spread); $i < $end; $i++)
		$ret[] = $i;
		
	return $ret;
}