--- a/busui/owa/owa_install.php
+++ b/busui/owa/owa_install.php
@@ -1,1 +1,113 @@
-
+<?php
+
+//
+// Open Web Analytics - An Open Source Web Analytics Framework
+//
+// Copyright 2006 Peter Adams. All rights reserved.
+//
+// Licensed under GPL v2.0 http://www.gnu.org/copyleft/gpl.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// $Id$
+//
+
+require_once (OWA_BASE_DIR.'/owa_base.php');
+
+/**
+ * Install Abstract Class
+ * 
+ * @author      Peter Adams <peter@openwebanalytics.com>
+ * @copyright   Copyright &copy; 2006 Peter Adams <peter@openwebanalytics.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GPL v2.0
+ * @category    owa
+ * @package     owa
+ * @version		$Revision$	      
+ * @since		owa 1.0.0
+ */
+class owa_install extends owa_base{
+	
+	/**
+	 * Data access object
+	 *
+	 * @var object
+	 */
+	var $db;
+	
+	/**
+	 * Version of string
+	 *
+	 * @var string
+	 */
+	var $version;
+	
+	/**
+	 * Params array
+	 *
+	 * @var array
+	 */
+	var $params;
+	
+	/**
+	 * Module name
+	 *
+	 * @var unknown_type
+	 */
+	var $module;
+	
+	/**
+	 * Constructor
+	 *
+	 * @return owa_install
+	 */
+
+	function owa_install() {
+		
+		$this->owa_base();
+		$this->db = &owa_coreAPI::dbSingleton();
+		
+		return;
+	}
+	
+	/**
+	 * Check to see if schema is installed
+	 *
+	 * @return boolean
+	 */
+	function checkForSchema() {
+		
+		$table_check = array();
+		//$this->e->notice(print_r($this->tables, true));
+		// test for existance of tables
+		foreach ($this->tables as $table) {
+			$this->e->notice('Testing for existance of table: '. $table);
+			$check = $this->db->get_results(sprintf("show tables like 'owa_%s'", $table));
+			//$this->e->notice(print_r($check, true));
+			
+			// if a table is missing add it to this array
+			if (empty($check)):
+				$table_check[] = $table;
+				$this->e->notice('Did not find table: '. $table);
+			else:
+				$this->e->notice('Table '. $table. ' already exists.');
+			endif;
+		}
+		
+		if (!empty($table_check)):
+			//$this->e->notice(sprintf("Schema Check: Tables '%s' are missing.", implode(',', $table_check)));
+			$this->e->notice(sprintf("Schema Check: Tables to install: %s", print_r($table_check, true)));
+
+			return $table_check;
+		else:	
+			return false;
+		endif;
+		
+	}
+	
+}
+
+?>