lease can be chosen from money deposit form

_ajax/get_lease_sum.php

@@ -0,0 +1,19 @@
+<?php
+//tag listánál ez adja vissza a keresés eredményét
+ini_set('include_path', '../_class/');
+include('class_sql.php');
+if ($_SERVER['HTTP_HOST'] == 'cegledcoach.hu') $sql = new sql('bcd_mysql','root','','badminton_coach');
+else $sql = new sql('localhost','livingsp_coach','R186er012qw5','livingsp_badminton');
+
+if (empty($_GET['lease_id'])) {
+    echo json_encode(null);
+}
+else {
+    $l_query = "SELECT l_sum FROM lease WHERE l_id = " . $_GET['lease_id'];
+
+    $l_sum = $sql->single_variable($l_query);
+
+    echo json_encode($l_sum);
+}
+
+?>