diff -r dad62ec9af18 -r 7b2f11652d67 www/includes/db_inventory_miscs.php
--- a/www/includes/db_inventory_miscs.php	Wed Jan 23 22:53:24 2019 +0100
+++ b/www/includes/db_inventory_miscs.php	Thu Jan 24 20:54:45 2019 +0100
@@ -10,67 +10,68 @@
 }
 mysqli_set_charset($connect, "utf8" );
 
-// get data and store in a json array
-$query = "SELECT * FROM inventory_miscs ORDER BY name";
-if (isset($_GET['insert'])) {
-	// INSERT COMMAND
-	$sql  = "INSERT INTO `inventory_miscs` SET name='" . mysqli_real_escape_string($connect, $_GET['name']);
-	$sql .= "', type='" . $_GET['type'];
-	$sql .= "', use_use='" . $_GET['use_use'];
-	$sql .= "', time='" . $_GET['time'];
-	($_GET['amount_is_weight'] == 'true') ? $sql .= "', amount_is_weight='1" : $sql .= "', amount_is_weight='0";
-	$sql .= "', use_for='" . mysqli_real_escape_string($connect, $_GET['use_for']);
-	$sql .= "', notes='" . mysqli_real_escape_string($connect, $_GET['notes']);
-	($_GET['always_on_stock'] == 'true') ? $sql .= "', always_on_stock='1" : $sql .= "', always_on_stock='0";
-	$sql .= "', inventory='" . $_GET['inventory'];
-	$sql .= "', cost='" . $_GET['cost'];
-	$sql .= "', production_date='" . $_GET['production_date'];
-	$sql .= "', tht_date='" . $_GET['tht_date'];
-	$sql .= "';";
+if (isset($_POST['insert']) || isset($_POST['update'])) {
+	if (isset($_POST['insert'])) {
+		$sql  = "INSERT INTO `inventory_miscs` SET ";
+	}
+	if (isset($_POST['update'])) {
+		$sql  = "UPDATE `inventory_miscs` SET ";
+	}
+
+	$sql .= "name='" . mysqli_real_escape_string($connect, $_POST['name']);
+	$sql .= "', type='" . $_POST['type'];
+	$sql .= "', use_use='" . $_POST['use_use'];
+	$sql .= "', time='" . $_POST['time'];
+	($_POST['amount_is_weight'] == 'true') ? $sql .= "', amount_is_weight='1" : $sql .= "', amount_is_weight='0";
+	$sql .= "', use_for='" . mysqli_real_escape_string($connect, $_POST['use_for']);
+	$sql .= "', notes='" . mysqli_real_escape_string($connect, $_POST['notes']);
+	($_POST['always_on_stock'] == 'true') ? $sql .= "', always_on_stock='1" : $sql .= "', always_on_stock='0";
+	$sql .= "', inventory='" . floatval($_POST['inventory']) / 1000.0;
+	$sql .= "', cost='" . $_POST['cost'] . "'";
+	if ($_POST['production_date'] == '')
+		$sql .= ", production_date=NULL";
+	else
+		$sql .= ", production_date='" . $_POST['production_date'] . "'";
+	if ($_POST['tht_date'] == '')
+		$sql .= ", tht_date=NULL";
+	else
+		$sql .= ", tht_date='" . $_POST['tht_date'] . "'";
+
+	if (isset($_POST['insert'])) {
+		$sql .= ";";
+	}
+	if (isset($_POST['update'])) {
+		$sql .= " WHERE record='" . $_POST['record'] . "';";
+	}
+	syslog(LOG_NOTICE, $sql);
+
 	$result = mysqli_query($connect, $sql);
 	if (! $result) {
 		syslog(LOG_NOTICE, "db_inventory_miscs: ".$sql." result: ".mysqli_error($connect));
 	} else {
-		syslog(LOG_NOTICE, "db_inventory_miscs: inserted ".$_GET['name']);
+		if (isset($_POST['update'])) {
+			syslog(LOG_NOTICE, "db_inventory_miscs: updated record ".$_POST['record']);
+		} else {
+			$lastid = mysqli_insert_id($connect);
+			syslog(LOG_NOTICE, "db_inventory_miscs: inserted record ".$lastid);
+		}
 	}
 	echo $result;
 
-} else if (isset($_GET['update'])) {
-	// UPDATE COMMAND
-	$sql  = "UPDATE `inventory_miscs` SET name='" . mysqli_real_escape_string($connect, $_GET['name']);
-	$sql .= "', type='" . $_GET['type'];
-	$sql .= "', use_use='" . $_GET['use_use'];
-	$sql .= "', time='" . $_GET['time'];
-	($_GET['amount_is_weight'] == 'true') ? $sql .= "', amount_is_weight='1" : $sql .= "', amount_is_weight='0";
-	$sql .= "', use_for='" . mysqli_real_escape_string($connect, $_GET['use_for']);
-	$sql .= "', notes='" . mysqli_real_escape_string($connect, $_GET['notes']);
-	($_GET['always_on_stock'] == 'true') ? $sql .= "', always_on_stock='1" : $sql .= "', always_on_stock='0";
-	$sql .= "', inventory='" . $_GET['inventory'];
-	$sql .= "', cost='" . $_GET['cost'];
-	$sql .= "', production_date='" . $_GET['production_date'];
-	$sql .= "', tht_date='" . $_GET['tht_date'];
-	$sql .= "' WHERE record='" . $_GET['record'] . "';";
+} else if (isset($_POST['delete'])) {
+	// DELETE COMMAND
+	$sql = "DELETE FROM `inventory_miscs` WHERE record='".$_POST['record']."';";
 	$result = mysqli_query($connect, $sql);
 	if (! $result) {
 		syslog(LOG_NOTICE, "db_inventory_miscs: ".$sql." result: ".mysqli_error($connect));
 	} else {
-		syslog(LOG_NOTICE, "db_inventory_miscs: updated record ".$_GET['record']);
-	}
-	echo $result;
-
-} else if (isset($_GET['delete'])) {
-	// DELETE COMMAND
-	$sql = "DELETE FROM `inventory_miscs` WHERE record='".$_GET['record']."';";
-	$result = mysqli_query($connect, $sql);
-	if (! $result) {
-		syslog(LOG_NOTICE, "db_inventory_miscs: ".$sql." result: ".mysqli_error($connect));
-	} else {
-		syslog(LOG_NOTICE, "db_inventory_miscs: deleted record ".$_GET['record']);
+		syslog(LOG_NOTICE, "db_inventory_miscs: deleted record ".$_POST['record']);
 	}
 	echo $result;
 
 } else {
 	// SELECT COMMAND
+	$query = "SELECT * FROM inventory_miscs ORDER BY name";
 	$result = mysqli_query($connect, $query) or die("SQL Error 1: " . mysqli_error($connect));
 	while ($row = mysqli_fetch_array($result, MYSQLI_ASSOC)) {
 		$miscs[] = array(
@@ -83,7 +84,7 @@
 			'use_for' => $row['use_for'],
 			'notes' => $row['notes'],
 			'always_on_stock' => $row['always_on_stock'],
-			'inventory' => $row['inventory'],
+			'inventory' => floatval($row['inventory']) * 1000.0,
 			'cost' => $row['cost'],
 			'production_date' => $row['production_date'],
 			'tht_date' => $row['tht_date']