For themes, use _options = $dataArray;
		return $this;
	}
	/**
	 * @param $key
	 * @param $default
	 * @return mixed
	 */
	public function getOption($key, $default = '')
	{
		return varset($this->_options[$key], $default);
	}
	/**
	 * @param $mode
	 * @param $cache
	 * @return void
	 */
	public function releaseCheck($mode='plugin', $cache=TRUE)
	{
		global $e107cache;
	    if(!$this->getOption('releaseUrl'))
		{
	    	return;
		}
        $cacheString = $mode. 'UpdateCheck';
		$e107cache->CachePageMD5 = md5($cacheString.$this->getOption('curFolder').$this->getOption('curVersion', 1.0));
		if(($cache==TRUE) && ($cacheData = $e107cache->retrieve($cacheString, 3600, TRUE)))
		{
			$mes = e107::getMessage();
			$mes->addInfo($cacheData);
			$e107cache->CachePageMD5  = "";
			return;
		}
		$xml = e107::getXml();
        $feed = $this->getOption('releaseUrl');
	 	if(substr($feed,-4) == ".php")
		{
        	 $feed .= "?folder=".$this->getOption('curFolder')."&version=".$this->getOption('curVersion');
		}
		if($rawData = $xml -> loadXMLfile($feed, TRUE))
		{
	    	if(!$rawData[$mode][1])
			{
	        	$rawData[$mode] = $rawData;
			}
	        $txt = "";
            $lan_text = ($mode == "theme") ? ADLAN_162 : ADLAN_163;
	        foreach($rawData[$mode] as $val)
			{
				$name    	= $val['@attributes']['name'];
				$folder    	= $val['@attributes']['folder'];
				$version 	= $val['@attributes']['version'];
				$url 		= $val['@attributes']['url'];
	            if(($folder == $this->getOption('curFolder'))  && version_compare($version,$this->getOption('curVersion'))==1)
				{
	             	$txt .= $lan_text." ".$name ." v".$version."
";
					break;
				}
	        }
			if($txt)
			{
				$mes->addInfo($txt);
				if($cache==TRUE)
				{
					$e107cache->set($cacheString, $txt, TRUE);
				}
				$e107cache->CachePageMD5  = "";
			}
		}
	}
	/**
	 * @return void
	 */
	function checkAllPlugins()
	{
		$pref = e107::getPref();
		$sql = e107::getDB();
        if($sql ->gen("SELECT * FROM #plugin WHERE plugin_installflag = 1 AND plugin_releaseUrl !=''"))
		{
	        while($row = $sql->fetch())
	        {
				$options = array('curFolder' => $row['plugin_path'], 'curVersion' => $row['plugin_version'], 'releaseUrl' => $row['plugin_releaseUrl']);
				$this->setOptions($options);
				$this->releaseCheck('plugin',FALSE);
			}
		}
 	}
	/**
	 * @return void
	 */
	function checkSiteTheme()
	{
        $curTheme 	= e107::getPref('sitetheme');
		$curVersion = e107::getPref('sitetheme_version');
		$curUrl 	= e107::getPref('sitetheme_releaseUrl');
        $options = array('curFolder' => $curTheme, 'curVersion' => $curVersion, 'releaseUrl' => $curUrl);
		$this->setOptions($options);
		$this->releaseCheck('theme',FALSE);
	}
	/**
	 * @return void
	 */
	function listLangPacks()
	{
		
	}
}