--- a/include/common-session.inc.php
+++ b/include/common-session.inc.php
@@ -1,63 +1,77 @@
 <?php
+
+/*
+ *    Copyright 2010,2011 Alexander Sadleir 
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+  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.
+ */
 // you have to open the session to be able to modify or remove it
 session_start();
 if (isset($_REQUEST['service_period'])) {
-	$_SESSION['service_period'] = filter_var($_REQUEST['service_period'], FILTER_SANITIZE_STRING);
-	sessionUpdated();
+    $_SESSION['service_period'] = filter_var($_REQUEST['service_period'], FILTER_SANITIZE_STRING);
+    sessionUpdated();
 }
 if (isset($_REQUEST['time'])) {
-	$_SESSION['time'] = filter_var($_REQUEST['time'], FILTER_SANITIZE_STRING);
-	sessionUpdated();
+    $_SESSION['time'] = filter_var($_REQUEST['time'], FILTER_SANITIZE_STRING);
+    sessionUpdated();
 }
 if (isset($_REQUEST['geolocate']) && $_REQUEST['geolocate'] != "Enter co-ordinates or address here") {
-	$geocoded = false;
-	if (isset($_REQUEST['lat']) && isset($_REQUEST['lon'])) {
-		$_SESSION['lat'] = trim(filter_var($_REQUEST['lat'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
-		$_SESSION['lon'] = trim(filter_var($_REQUEST['lon'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
-	}
-	else {
-		if (startsWith($geolocate, "-")) {
-			$locateparts = explode(",", $geolocate);
-			$_SESSION['lat'] = $locateparts[0];
-			$_SESSION['lon'] = $locateparts[1];
-		}
-		else if (strpos($geolocate, "(") !== false) {
-			$geoParts = explode("(", $geolocate);
-			$locateparts = explode(",", str_replace(")", "",$geoParts[1]));
-			$_SESSION['lat'] = $locateparts[0];
-			$_SESSION['lon'] = $locateparts[1];
-		}
-		else {
-			$contents = geocode($geolocate, true);
-			print_r($contents);
-			if (isset($contents[0]->centroid)) {
-				$geocoded = true;
-				$_SESSION['lat'] = $contents[0]->centroid->coordinates[0];
-				$_SESSION['lon'] = $contents[0]->centroid->coordinates[1];
-			}
-			else {
-				$_SESSION['lat'] = "";
-				$_SESSION['lon'] = "";
-			}
-		}
-	}
-	sessionUpdated();
+    $geocoded = false;
+    if (isset($_REQUEST['lat']) && isset($_REQUEST['lon'])) {
+        $_SESSION['lat'] = trim(filter_var($_REQUEST['lat'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
+        $_SESSION['lon'] = trim(filter_var($_REQUEST['lon'], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION));
+    } else {
+        if (startsWith($geolocate, "-")) {
+            $locateparts = explode(",", $geolocate);
+            $_SESSION['lat'] = $locateparts[0];
+            $_SESSION['lon'] = $locateparts[1];
+        } else if (strpos($geolocate, "(") !== false) {
+            $geoParts = explode("(", $geolocate);
+            $locateparts = explode(",", str_replace(")", "", $geoParts[1]));
+            $_SESSION['lat'] = $locateparts[0];
+            $_SESSION['lon'] = $locateparts[1];
+        } else {
+            $contents = geocode($geolocate, true);
+            print_r($contents);
+            if (isset($contents[0]->centroid)) {
+                $geocoded = true;
+                $_SESSION['lat'] = $contents[0]->centroid->coordinates[0];
+                $_SESSION['lon'] = $contents[0]->centroid->coordinates[1];
+            } else {
+                $_SESSION['lat'] = "";
+                $_SESSION['lon'] = "";
+            }
+        }
+    }
+    sessionUpdated();
 }
-function sessionUpdated()
-{
-	$_SESSION['lastUpdated'] = time();
+
+function sessionUpdated() {
+    $_SESSION['lastUpdated'] = time();
 }
+
 // timeoutSession
 $TIMEOUT_LIMIT = 60 * 5; // 5 minutes
 if (isset($_SESSION['lastUpdated']) && $_SESSION['lastUpdated'] + $TIMEOUT_LIMIT < time()) {
-	debug("Session timeout " . ($_SESSION['lastUpdated'] + $TIMEOUT_LIMIT) . ">" . time() , "session");
-	session_destroy();
-	session_start();
+    debug("Session timeout " . ($_SESSION['lastUpdated'] + $TIMEOUT_LIMIT) . ">" . time(), "session");
+    session_destroy();
+    session_start();
 }
+
 //debug(print_r($_SESSION, true) , "session");
-function current_time()
-{
-	return ($_SESSION['time'] ? $_SESSION['time'] : date("H:i:s"));
+function current_time() {
+    return ($_SESSION['time'] ? $_SESSION['time'] : date("H:i:s"));
 }
+
 ?>