font size fixes

* adding 'rule execution error' sound

busunit/DIUv2/html/js/diu_ui-ORG.js

@@ -33,9 +33,15 @@ var DIU_UI_VERSION_DATE = "2019-11-24 11:29:00";
 var g_snd = {
   "reject_fare" : "",
   "accept_fare" : "",
+  "rule_error" : "",
   "button_press" : ""
 };
 
+function _beep_error() {
+  g_snd.rule_error.currentTime=0;
+  g_snd.rule_error.play();
+}
+
 function _beep_reject() {
   g_snd.reject_fare.currentTime=0;
   g_snd.reject_fare.play();
@@ -661,6 +667,9 @@ function _main_message_replace(msg, bg_color, text_color) {
   else if (msg.match(/[Pp]assback/)) {
     _beep_reject();
   }
+  else if (msg.match(/Rule execution error/)) {
+    _beep_error();
+  }
 
 }
 
@@ -701,6 +710,9 @@ function _main_message_add(msg, bg_color, text_color) {
   else if (msg.match(/[Pp]assback/)) {
     _beep_reject();
   }
+  else if (msg.match(/Rule execution error/)) {
+    _beep_error();
+  }
 
 }
 
@@ -1149,6 +1161,7 @@ function init() {
   g_snd.button_press = new Audio("assets/459992_florianreichelt_beep_short.mp3");
   g_snd.accept_fare = new Audio("assets/443026__qubodup__public-domain-beep-sound.mp3");
   g_snd.reject_fare = new Audio("assets/368780__gurie__start-sound-beep.mp3");
+  g_snd.rule_error = new Audio("assets/363920__samsterbirdies__8-bit-error.mp3");
 
   if (typeof PopufareSiteInit !== "undefined") {
     PopufareSiteInit();