Added where_in(), where_in_or(), where_not_in(), and where_not_in_or() to Active Record.
diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php
index c3279e8..4736858 100644
--- a/system/database/DB_active_rec.php
+++ b/system/database/DB_active_rec.php
@@ -248,21 +248,99 @@
 	/**

 	 * Where_in

 	 *

-	 * Generates a WHERE field IN ('item', 'item') SQL query

+	 * Generates a WHERE field IN ('item', 'item') SQL query joined with

+	 * AND if appropriate

 	 *

 	 * @access	public

 	 * @param	string	The field to search

 	 * @param	array	The values searched on

+

+	 * @return	object

+	 */

+	function where_in($key = NULL, $values = NULL)

+	{	 	

+		return $this->_where_in($key, $values);

+	}

+	

+	// --------------------------------------------------------------------

+

+	/**

+	 * Where_in_or

+	 *

+	 * Generates a WHERE field IN ('item', 'item') SQL query joined with

+	 * OR if appropriate

+	 *

+	 * @access	public

+	 * @param	string	The field to search

+	 * @param	array	The values searched on

+

+	 * @return	object

+	 */

+	function where_in_or($key = NULL, $values = NULL)

+	{	 	

+		return $this->_where_in($key, $values, FALSE, 'or');

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Where_not_in

+	 *

+	 * Generates a WHERE field NOT IN ('item', 'item') SQL query joined

+	 * with AND if appropriate

+	 *

+	 * @access	public

+	 * @param	string	The field to search

+	 * @param	array	The values searched on

+

+	 * @return	object

+	 */

+	function where_not_in($key = NULL, $values = NULL)

+	{	 	

+		return $this->_where_in($key, $values, TRUE);

+	}

+	

+	// --------------------------------------------------------------------

+

+	/**

+	 * Where_not_in_or

+	 *

+	 * Generates a WHERE field NOT IN ('item', 'item') SQL query joined

+	 * with OR if appropriate

+	 *

+	 * @access	public

+	 * @param	string	The field to search

+	 * @param	array	The values searched on

+

+	 * @return	object

+	 */

+	function where_not_in_or($key = NULL, $values = NULL)

+	{	 	

+		return $this->_where_in($key, $values, FALSE, 'or');

+	}

+

+	// --------------------------------------------------------------------

+

+	/**

+	 * Where_in

+	 *

+	 * Called by where_in, where_in_or, where_not_in, where_not_in_or

+	 *

+	 * @access	public

+	 * @param	string	The field to search

+	 * @param	array	The values searched on

+	 * @param	boolean	If the statement whould be IN or NOT IN

 	 * @param	string	

 	 * @return	object

 	 */

-	function where_in($key = NULL, $values = NULL, $type = 'and')

+	function _where_in($key = NULL, $values = NULL, $not = FALSE, $type = 'and')

 	{	 	

 		if ($key === NULL || !is_array($values))

 		{

 			return;

 		}

 

+		$not = ($not) ? ' NOT ' : '';

 		$type = (strtolower($type) == 'or') ? ' OR ' : ' AND ';

 

 		foreach ($values as $value)

@@ -272,7 +350,7 @@
 

 		$prefix = (count($this->ar_where) == 0) ? '' : $type;

  	 			

-		$this->ar_where[] = $prefix.$key. " IN (" . implode(", ", $this->ar_wherein) . ") ";

+		$this->ar_where[] = $prefix.$key.$not . " IN (" . implode(", ", $this->ar_wherein) . ") ";

 

 		return $this;

 	}

@@ -1005,6 +1083,7 @@
 		$this->ar_offset	= FALSE;

 		$this->ar_order		= FALSE;

 		$this->ar_orderby	= array();

+		$this->ar_wherein	= array();

 	}

 	

 	// --------------------------------------------------------------------