<?php
class db
{
	var $link;

        function link()
        {
        	return $this->link;
        }


//-----------------------------------------------------------------------
// Initialize db class
//
//
	function db($host=NULL, $username=NULL, $password=NULL, $db_name=NULL)
	{

		$this->connect($host,$username,$password);
		if($db_name!==NULL)
		{
			$this->select_db($db_name);
		}
	}


//-----------------------------------------------------------------------
//Connect to Database
//
//
	function connect($host='', $username='', $password='', $new_connection=TRUE)
	{

		$this->link=mysql_connect($host, $username, $password, $new_connection);
		if($this->link!=NULL)
		{
			return true;
		}
		return false;
	}
//-----------------------------------------------------------------------
//Close Database Connection
//
//

	function close()
	{
		if(mysql_close($this->link()))
		{
			return true;
		}
		else
		{
			return false;
		}
	}
//-----------------------------------------------------------------------
//Return the latest error
//
	
	function error()
	{
		return mysql_error($this->link());
	}

//-----------------------------------------------------------------------
// escape the passed in string
//

	function escape_string($string)
	{
		return mysql_escape_string($string);
	}

//-----------------------------------------------------------------------
//Fetch the Array
//


function fetch_array($result)
{
  return mysql_fetch_array($result);
}

//-----------------------------------------------------------------------
//Fetch the Assoc
//
	function fetch_assoc($result)
	{
		return mysql_fetch_assoc($result);
	}
//-----------------------------------------------------------------------
//Fetch the insert id
//
	
	function insert_id()
	{
		return mysql_insert_id($this->link());
	}
	function real_escape_string($string)
	{
		return mysql_escape_string($string);
	}
	function select_db($db_name='')
	{
		if(mysql_select_db($db_name, $this->link()))
		{
			return true;
		}
		else
		{
			return false;
		}
	}
//-----------------------------------------------------------------------
// fetch the number of rows
//
	
	function num_rows($result)
	{
    $num_rows=mysql_num_rows($result);
    return $num_rows;
  }
//-----------------------------------------------------------------------
//Run a query
//

	function query($query)
	{
		$result=mysql_query($query, $this->link()) or trigger_error('Error in Query: '.$query. ' - '.$this->error(), E_USER_ERROR);
		if($GLOBALS['config']->dev_mode)
		{
			echo 'Query: '.$query.'<br />';
		}
		return $result;
	}

}


?>