Revert "Use timers variable for banner warnings"

This reverts commit 8b8a9d3ea6.

plugins/dynamix/include/DefaultPageLayout.php

@@ -234,7 +234,7 @@ function escapeQuotes(form) {
 
 var bannerWarnings = [];
 var currentBannerWarning = 0;
-var timers.bannerWarning = null;
+var bannerWarningInterval = null;
 var osUpgradeWarning = false;
 
 function addBannerWarning(text,warning=true,noDismiss=false) {
@@ -246,7 +246,11 @@ function addBannerWarning(text,warning=true,noDismiss=false) {
     if (!noDismiss) text += "<a class='bannerDismiss' onclick='dismissBannerWarning("+arrayEntry+",&quot;"+cookieText+"&quot;)'></a>";
     bannerWarnings[arrayEntry] = text;
   } else return bannerWarnings.indexOf(text);
-  if (timers.bannerWarning==null) showBannerWarnings();
+
+  if (!bannerWarningInterval) {
+    showBannerWarnings();
+    bannerWarningInterval = setInterval(showBannerWarnings,10000);
+  }
   return arrayEntry;
 }
 
@@ -257,7 +261,6 @@ function dismissBannerWarning(entry,cookieText) {
 
 function removeBannerWarning(entry) {
   bannerWarnings[entry] = false;
-  clearTimeout(timers.bannerWarning);
   showBannerWarnings();
 }
 
@@ -273,13 +276,12 @@ function showBannerWarnings() {
   var allWarnings = bannerFilterArray(Object.values(bannerWarnings));
   if (allWarnings.length == 0) {
     $(".upgrade_notice").hide();
-    timers.bannerWarning = null;
+    clearInterval(bannerWarningInterval);
     return;
   }
   if (currentBannerWarning >= allWarnings.length) currentBannerWarning = 0;
   $(".upgrade_notice").show().html(allWarnings[currentBannerWarning]);
   currentBannerWarning++;
-  timers.bannerWarning = setTimeout(showBannerWarnings,10000);
 }
 
 function addRebootNotice(message="<?=_('You must reboot for changes to take effect')?>") {