public function addPoints($Values, $SerieName = "Serie1")
    {
        if (!isset($this->Data["Series"][$SerieName])) {
            $this->initialise($SerieName);
        }
        if (is_array($Values)) {
            foreach ($Values as $Value) {
                $this->Data["Series"][$SerieName]["Data"][] = $Value;
            }
        } else {
            $this->Data["Series"][$SerieName]["Data"][] = $Values;
        }

        if ($Values != VOID) {
            $StrippedData = $this->stripVOID($this->Data["Series"][$SerieName]["Data"]);
            if (empty($StrippedData)) {
                $this->Data["Series"][$SerieName]["Max"] = 0;
                $this->Data["Series"][$SerieName]["Min"] = 0;
                return 0;
            }
            $this->Data["Series"][$SerieName]["Max"] = max($StrippedData);
            $this->Data["Series"][$SerieName]["Min"] = min($StrippedData);
        }
    }