diff -r 578c78abf058 -r dc30801e6961 www/includes/db_inventory_equipments.php
--- a/www/includes/db_inventory_equipments.php	Sat Jan 26 11:59:15 2019 +0100
+++ b/www/includes/db_inventory_equipments.php	Sat Jan 26 15:03:09 2019 +0100
@@ -9,53 +9,51 @@
 }
 mysqli_set_charset($connect, "utf8" );
 
-// get data and store in a json array
-$query = "SELECT * FROM inventory_equipments ORDER BY name";
-if (isset($_GET['insert']) || isset($_GET['update'])) {
-	if (isset($_GET['insert'])) {
+if (isset($_POST['insert']) || isset($_POST['update'])) {
+	if (isset($_POST['insert'])) {
 		// INSERT COMMAND
 		$sql  = "INSERT INTO `inventory_equipments` SET ";
 	}
-	if (isset($_GET['update'])) {
+	if (isset($_POST['update'])) {
 		// UPDATE COMMAND
 		$sql  = "UPDATE `inventory_equipments` SET ";
 	}
-	$sql .=    "name='" . mysqli_real_escape_string($connect, $_GET['name']);
-	$sql .= "', boil_size='" . $_GET['boil_size'];
-	$sql .= "', batch_size='" . $_GET['batch_size'];
-	$sql .= "', tun_volume='" . $_GET['tun_volume'];
-	$sql .= "', tun_weight='" . $_GET['tun_weight'];
-	$sql .= "', tun_specific_heat='" .  $_GET['tun_specific_heat'];
-	$sql .= "', tun_material='" . mysqli_real_escape_string($connect, $_GET['tun_material']);
-	$sql .= "', tun_height='" . $_GET['tun_height'] / 100.0;
-	$sql .= "', top_up_water='" . $_GET['top_up_water'];
-	$sql .= "', trub_chiller_loss='" . $_GET['trub_chiller_loss'];
-	$sql .= "', evap_rate='" . $_GET['evap_rate'];
-	$sql .= "', boil_time='" . $_GET['boil_time'];
-	($_GET['calc_boil_volume'] == 'true') ? $sql .= "', calc_boil_volume='1" : $sql .= "', calc_boil_volume='0";
-	$sql .= "', top_up_kettle='" . $_GET['top_up_kettle'];
-	$sql .= "', hop_utilization='" . $_GET['hop_utilization'];
-	$sql .= "', notes='" . mysqli_real_escape_string($connect, $_GET['notes']);
-	$sql .= "', lauter_volume='" . $_GET['lauter_volume'];
-	$sql .= "', lauter_height='" . $_GET['lauter_height'] / 100.0;
-	$sql .= "', lauter_deadspace='" . $_GET['lauter_deadspace'];
-	$sql .= "', kettle_volume='" . $_GET['kettle_volume'];
-	$sql .= "', kettle_height='" . $_GET['kettle_height'] / 100.0;
-	$sql .= "', mash_volume='" . $_GET['mash_volume'];
-	$sql .= "', mash_max='" . $_GET['mash_max'];
-	$sql .= "', efficiency='" . $_GET['efficiency'];
-	if (isset($_GET['insert'])) {
+	$sql .=    "name='" . mysqli_real_escape_string($connect, $_POST['name']);
+	$sql .= "', boil_size='" . $_POST['boil_size'];
+	$sql .= "', batch_size='" . $_POST['batch_size'];
+	$sql .= "', tun_volume='" . $_POST['tun_volume'];
+	$sql .= "', tun_weight='" . $_POST['tun_weight'];
+	$sql .= "', tun_specific_heat='" .  $_POST['tun_specific_heat'];
+	$sql .= "', tun_material='" . $_POST['tun_material'];
+	$sql .= "', tun_height='" . floatval($_POST['tun_height']) / 100.0;
+	$sql .= "', top_up_water='" . $_POST['top_up_water'];
+	$sql .= "', trub_chiller_loss='" . $_POST['trub_chiller_loss'];
+	$sql .= "', evap_rate='" . $_POST['evap_rate'];
+	$sql .= "', boil_time='" . $_POST['boil_time'];
+	($_POST['calc_boil_volume'] == 'true') ? $sql .= "', calc_boil_volume='1" : $sql .= "', calc_boil_volume='0";
+	$sql .= "', top_up_kettle='" . $_POST['top_up_kettle'];
+	$sql .= "', hop_utilization='" . $_POST['hop_utilization'];
+	$sql .= "', notes='" . mysqli_real_escape_string($connect, $_POST['notes']);
+	$sql .= "', lauter_volume='" . $_POST['lauter_volume'];
+	$sql .= "', lauter_height='" . floatval($_POST['lauter_height']) / 100.0;
+	$sql .= "', lauter_deadspace='" . $_POST['lauter_deadspace'];
+	$sql .= "', kettle_volume='" . $_POST['kettle_volume'];
+	$sql .= "', kettle_height='" . floatval($_POST['kettle_height']) / 100.0;
+	$sql .= "', mash_volume='" . $_POST['mash_volume'];
+	$sql .= "', mash_max='" . $_POST['mash_max'];
+	$sql .= "', efficiency='" . $_POST['efficiency'];
+	if (isset($_POST['insert'])) {
 		$sql .= "';";
 	}
-	if (isset($_GET['update'])) {
-		$sql .= "' WHERE record='" . $_GET['record'] . "';";
+	if (isset($_POST['update'])) {
+		$sql .= "' WHERE record='" . $_POST['record'] . "';";
 	}
 	$result = mysqli_query($connect, $sql);
 	if (! $result) {
 		syslog(LOG_NOTICE, "db_inventory_equipment: ".$sql." result: ".mysqli_error($connect));
 	} else {
-		if (isset($_GET['update'])) {
-			syslog(LOG_NOTICE, "db_inventory_equipment: updated record ".$_GET['record']);
+		if (isset($_POST['update'])) {
+			syslog(LOG_NOTICE, "db_inventory_equipment: updated record ".$_POST['record']);
 		} else {
 			$lastid = mysqli_insert_id($connect);
 			syslog(LOG_NOTICE, "db_inventory_equipment: inserted record ".$lastid);
@@ -63,20 +61,21 @@
 	}
 	echo $result;
 
-} else if (isset($_GET['delete'])) {
+} else if (isset($_POST['delete'])) {
 	// DELETE COMMAND
 	// FIXME: need to check if the record is in use
-	$sql = "DELETE FROM `inventory_equipments` WHERE record='".$_GET['record']."';";
+	$sql = "DELETE FROM `inventory_equipments` WHERE record='".$_POST['record']."';";
 	$result = mysqli_query($connect, $sql);
 	if (! $result) {
 		syslog(LOG_NOTICE, "db_inventory_equipment: ".$sql." result: ".mysqli_error($connect));
 	} else {
-		syslog(LOG_NOTICE, "db_inventory_equipment: deleted record ".$_GET['record']);
+		syslog(LOG_NOTICE, "db_inventory_equipment: deleted record ".$_POST['record']);
 	}
 	echo $result;
 
 } else {
 	// SELECT COMMAND
+	$query = "SELECT * FROM inventory_equipments ORDER BY name";
 	$result = mysqli_query($connect, $query) or die("SQL Error 1: " . mysqli_error($connect));
 	while ($row = mysqli_fetch_array($result, MYSQLI_ASSOC)) {
 		$equipments[] = array(
@@ -88,7 +87,7 @@
 			'tun_weight' => $row['tun_weight'],
 			'tun_specific_heat' => $row['tun_specific_heat'],
 			'tun_material' => $row['tun_material'],
-			'tun_height' => $row['tun_height'] * 100.0,
+			'tun_height' => floatval($row['tun_height']) * 100.0,
 			'top_up_water' => $row['top_up_water'],
 			'trub_chiller_loss' => $row['trub_chiller_loss'],
 			'evap_rate' => $row['evap_rate'],
@@ -98,10 +97,10 @@
 			'hop_utilization' => $row['hop_utilization'],
 			'notes' => $row['notes'],
 			'lauter_volume' => $row['lauter_volume'],
-			'lauter_height' => $row['lauter_height'] * 100.0,
+			'lauter_height' => floatval($row['lauter_height']) * 100.0,
 			'lauter_deadspace' => $row['lauter_deadspace'],
 			'kettle_volume' => $row['kettle_volume'],
-			'kettle_height' => $row['kettle_height'] * 100.0,
+			'kettle_height' => floatval($row['kettle_height']) * 100.0,
 			'mash_volume' => $row['mash_volume'],
 			'mash_max' => $row['mash_max'],
 			'efficiency' => $row['efficiency']