<?
class SQLLayer {
	var $server;
	var $user;
	var $passwd;
	var $dbname;
	var $link;
	
	function SQLLayer ($server = "", $user = "", $pass = "", $dbname = "") {
		$this->server = $server;
		$this->user = $user;
		$this->passwd = $pass;
		$this->dbname = $dbname;
		
		$this->connect ();
	}
	
	function connect () {
		$this->link = mysql_connect ($this->server, $this->user, $this->passwd);
		mysql_select_db ($this->dbname, $this->link);
	}
	
	function close () {
		return (mysql_close($this->link));	
	}
	
	function query ($query) {
		$this->rs = mysql_query ($query, $this->link);
		if (!$this->rs)
		{
			echo("Error: Invalid query \"".$query."\"...<br>");
			echo("Error: ".mysql_errno()."<br>");
			die("Error: ".mysql_error()."<br>");
		} else {
			return ($this->rs);
		}
	}
	
	function data_seek ($row = "") {
		if ($row == "")
			$row = 0;
			
		mysql_data_seek ($rs, $row);
        return (true);
	}
	
	function fetch_array ($rs = "") {
		if ($rs == "")
			$rs = $this->rs;
		
		$this->row = mysql_fetch_array ($rs, MYSQL_BOTH);
        return ($this->row);
	}
	
	function num_rows ($rs = "") {
		if ($rs == "")
			$rs = $this->rs;
        return (mysql_num_rows($rs));
	}
	
	function affected_rows() {
		return (mysql_affected_rows());
	}
	
	function free_result($rs = "") {
		if ($rs == "")
			$rs = $this->rs;
        
        return (mysql_free_result($rs));
	}
}
?>