function GetFirstBlockFill()
	{
		// Returns the first blocklevel that uses a bgcolor fill
		$startfill = 0;
		for ($i = 1; $i <= $this->blklvl; $i++) {
			if ($this->blk[$i]['bgcolor'] || $this->blk[$i]['border_left']['w'] || $this->blk[$i]['border_right']['w'] || $this->blk[$i]['border_top']['w'] || $this->blk[$i]['border_bottom']['w']) {
				$startfill = $i;
				break;
			}
		}
		return $startfill;
	}