More Define canned date if not set. Prevents undefined errors Same as a48e302

trips.php

@@ -69,6 +69,12 @@
     $dtt = "9999-00-00";
   }
 
+  if(empty($_GET['canned_date'])){
+    //Prevents lots of undefined variable errors.
+    // $dtf and $dtt will be set by the below else to 0000-00-00 / 9999-00-00
+    $_GET['canned_date'] = 'custom';
+  }
+
   //Rebuild URL
   $url_query_strings_sb = http_build_query(array_merge($_GET,array('sb' => $sb, 'o' => $o)));