public function list_users($amount = 30, $start = 0)
	{
		$sql = "SELECT " . $this->usertable['loginfield'] . " FROM " . $this->usertable['name'] . " WHERE " .
			$this->usertable['inchatfield'] . "='1' LIMIT " . $start . "," . $amount;
		if($query = $this->db->query($sql)){
			$return = '';
			while ($result = $query->fetch(PDO::FETCH_ASSOC) )
			{
				$return .= $result[$this->usertable['loginfield']] . ";";
			}
			return $return;
		}else{
			return "Error: " . $this->db->errorInfo();
		}
	}
	function ubb_code($string) {
		$string = htmlspecialchars($string);
		$string = nl2br($string);
		$string = preg_replace("#[i](.+?)[/i]#is","<i>\1</i>",$string);
		$string = preg_replace("#[u](.+?)[/u]#is","<u>\1</u>",$string);
		$string = preg_replace("#[b](.+?)[/b]#is","<b>\1</b>",$string);
		$string = preg_replace("#[s](.+?)[/s]#is","<s>\1</s>",$string);
		$string = preg_replace("#[url](http|ftp)(.+?)[/url]#is","<a href="\1\2" target="_blank">\1\2</a>",$string);
		$string = preg_replace("#[url](mailto:)(.+?)[/url]#is","<a href="\1\2" target="_blank">\2</a>",$string);
		$string = preg_replace("#[mail](.+?)[/mail]#is","<a href="mailto:\1" target="_blank">\1</a>",$string);
		$string = preg_replace("#[url](.+?)[/url]#is","<a href="http://\1" target="_blank">\1</a>",$string);
		$string = preg_replace("#[url=(http|ftp|mailto)(.+?)](.+?)[/url]#is","<a href="\1\2" target="_blank">\3</a>",$string);
		$string = preg_replace("#[url=(.+?)](.+?)[/url]#is","<a href="http://\1" target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])((http(s?)://)(www.)?([a-z0-9_-]+(.[a-z0-9_-]+)+)(/[^/ nr]*)*)", "<a href="\2"target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])((http(s?)://)(www.)?([a-z0-9_-]+([a-z0-9_-]+)+)(/[^/ nr]*)*)", "<a href="\2"target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])([a-z_-][a-z0-9._-]*@[a-z0-9_-]+(.[a-z0-9_-]+)+)","<a href="mailto:\2">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])(www.([a-z0-9_-]+(.[a-z0-9_-]+)+)(/[^/ nr]*)*)","<a href="http://\2" target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])(www.([a-z0-9_-]+([a-z0-9_-]+)+)(/[^/ nr]*)*)","<a href="http://\2" target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])(ftp://([a-z0-9_-]+(.[a-z0-9_-]+)+)(/[^/ nr]*)*)","<a href="\2" target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])(ftp://([a-z0-9_-]+([a-z0-9_-]+)+)(/[^/ nr]*)*)","<a href="\2" target="_blank">\2</a>",$string);
		$string = eregi_replace("(^|[nrt])(ftp.([a-z0-9_-]+(.[a-z0-9_-]+)+)(/[^/ nr]*)*)","<a href="\2" target="_blank">\2</a>",$string);
		$string = preg_replace("#[quote](.+?)[/quote]#is","<table width="100%" cellspacing="0" cellpadding="0"><tr><td width="3%">&nbsp;</td><td><small>Quote</small></td></tr><tr><td width="3%">&nbsp;</td><td style="border: 1px solid #232850;"><table><tr><td>\1</td></tr></table></td></tr></table>",$string);
		$string = preg_replace("#[quote=(.+?)](.+?)[/quote]#is","<table width="100%" cellspacing="0" cellpadding="0"><tr><td width="3%">&nbsp;</td><td><small>Quote: <b>\1</b></small></td></tr><tr><td width="3%">&nbsp;</td><td style="border: 1px solid #232850;"><table><tr><td>\2</td></tr></table></td></tr></table>",$string);
		$string = preg_replace("#[img](http)(.+?)[/img]#is","<img src="\1\2" alt="Plaatje" title"Plaatje" />",$string);
		$string = preg_replace("#[img](.+?)[/img]#is","<img src="http://\1" alt="Plaatje" title="Plaatje" />",$string);
		$string = preg_replace("#[color=(.+?)](.+?)[/color]#is","<font color="\1">\2</font>",$string);
		$string = preg_replace("#[size=(.+?)](.+?)[/size]#is","<font size="\1">\2</font>",$string);
		$string = str_replace(" :)","<img src="images/smilies/smile.gif" alt="Smilie" />",$string);
		$string = str_replace(" 8|","<img src="images/smilies/huh.gif" alt="Smilie" />",$string);
		$string = str_replace(" :o","<img src="images/smilies/ohmy.gif" alt="Smilie" />",$string);
		$string = str_replace(" ;)","<img src="images/smilies/wink.gif" alt="Smilie" />",$string);
		$string = str_replace(" :P","<img src="images/smilies/tongue.gif" alt="Smilie" />",$string);
		$string = str_replace(" :D","<img src="images/smilies/biggrin.gif" alt="Smilie" />",$string);
		$string = str_replace(" 8)","<img src="images/smilies/cool.gif" alt="Smilie" />",$string);
		$string = str_replace(" *-)","<img src="images/smilies/rolleyes.gif" alt="Smilie" />",$string);
		$string = str_replace(" :?","<img src="images/smilies/dry.gif" alt="Smilie" />",$string);
		$string = str_replace(" :@","<img src="images/smilies/mad.gif" alt="Smilie" />",$string);
		$string = str_replace(" :(","<img src="images/smilies/sad.gif" alt="Smilie" />",$string);
		$string = str_replace(" 8-)","<img src="images/smilies/unsure.gif" alt="Smilie" />",$string);
		$string = str_replace(" :|","<img src="images/smilies/blink.gif" alt="Smilie" />",$string);
		$string = str_replace(" |:-|","<img src="images/smilies/ph34r.gif" alt="Smilie" />",$string);
		$string = str_replace(" :/","<img src="images/smilies/happy.gif" alt="Smilie" />",$string);
		$string = str_replace(" |-)","<img src="images/smilies/sleep.gif" alt="Smilie" />",$string);
		$string = str_replace(" (l)","<img src="images/smilies/wub.gif" alt="Smilie" />",$string);
		$string = str_replace(" :s","<img src="images/smilies/wacko.gif" alt="Smilie" />",$string);
		return $string;
	}
	public function showcontents($amount = 30, $start = 0,$id = 0,$user = 0)
	{
		if($id != 0){
			if($user == 'adm255'){
				$sql = "SELECT id,message, poster, date FROM chat WHERE id='".$id."' LIMIT 1";
			}else{
				$sql = "SELECT id,message, poster, date FROM chat WHERE id='".$id."' AND poster='".$user."' LIMIT 1";
			}
		}else{
			$sql = "SELECT id,message, poster, date FROM chat ORDER BY date DESC LIMIT " . $start . "," . $amount;
		}
		if($query = $this->db->query($sql)){
			$return = '';
			while ($result = $query->fetch(PDO::FETCH_ASSOC))
			{
				$return .= $result['id'] . "----" . $result['date'] . "----" . $result['poster'] . "----" . $result['message'] . "---;";
			}
			return $return;
		}else{
			return "Error: " . $this->db->errorCode();
		}
	}
	public function newmessage($message, $poster)
	{
		$sql = "INSERT INTO chat (message, poster, date) VALUES ('" . $message . "', '" . $poster . "', NOW())";
		if ($this->db->exec($sql))
		{
			return true;
		}
		else
		{
			return "Error: " . $this->db->errorInfo();
		}
	}
	public function editmessage($messageid, $message,$user)
	{
		if($user == 'adm255'){
			$sql = "UPDATE chat SET message='" . $message . "' WHERE id='" . $messageid . "' LIMIT 1";
		}else{
			$sql = "UPDATE chat SET message='" . $message . "' WHERE id='" . $messageid . "' AND poster='".$user."'LIMIT 1";
		}
		if ($this->db->exec($sql))
		{
			return true;
		}
		else
		{
			return "Error: " . $this->db->errorInfo();
		}
	}
	public function deletemessage($messageid)
	{
		$sql = "DELETE FROM chat WHERE id='" . $messageid . "' LIMIT 1";
		if ($this->db->exec($sql))
		{
			return true;
		}
		else
		{
			return "Error: " . $this->db->errorInfo();
		}
	}
}