Added a valid_emails rule to the Validation class.
diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index d0714d0..18fdba2 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -488,6 +488,33 @@
 	// --------------------------------------------------------------------

 	

 	/**

+	 * Valid Emails

+	 *

+	 * @access	public

+	 * @param	string

+	 * @return	bool

+	 */	

+	function valid_emails($str)

+	{

+		if (strpos($str, ',') === FALSE)

+		{

+			return $this->valid_email(trim($str));

+		}

+		

+		foreach(explode(',', $str) as $email)

+		{

+			if (trim($email) != '' && $this->valid_email(trim($email)) === FALSE)

+			{

+				return FALSE;

+			}

+		}

+		

+		return TRUE;

+	}

+

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

+	

+	/**

 	 * Validate IP Address

 	 *

 	 * @access	public