delay icon update

www/js/autodoc.js

     var docid  = $('#autodoc_tab_document').data('docid');
     var pageid = $('.autodoc_document_image').data('pageid');
 
-    conf.busy++;
+    loader_icon_on();
     $.ajax({
       type: "PATCH",
       url: conf.openapi + "/documents/" + docid + "?primarypage=" + pageid,
       success: function () {
-        conf.busy--;
+        loader_icon_off();
         $('.autodoc_document_btn_primary').removeClass('disabled');
       }
     });
       url += tagId;
     }
 
-    conf.busy++;
+    loader_icon_on();
     $.ajax({
       type: method,
       url: url + '?' + urlparam,
       success: function () {
-        conf.busy--;
+        loader_icon_off();
         location.reload();
       }
     });
     var tagId = $('.autodoc_tag_id').val();
 
     if (tagId != "") {
-      conf.busy++;
+      loader_icon_on();
       $.ajax({
         type: "DELETE",
         url: conf.openapi + "/tags/" + tagId,
         success: function () {
-          conf.busy--;
+          loader_icon_off();
           location.reload();
         }
       });
 
   $('.autodoc_document_image').attr('src','');
 
-  conf.busy++;
+  loader_icon_on();
   $.getJSON(
     conf.openapi + "/documents/" + docid,
     function (doc) {
-      conf.busy--;
+      loader_icon_off();
       $('span.autodoc_document_name').html(doc.name);
       $('input.autodoc_document_name').val(doc.name);
       
 
 function page_load_tags() {
   // update tag list
-  conf.busy++;
+  loader_icon_on();
   $.getJSON(conf.openapi + "/tags", function (tags) {
-    conf.busy--;
+    loader_icon_off();
     $.each(tags, function (n, tag) {
       $('.autodoc_tag_list').append(
         '<option data="' + tag.color + '" value="' + tag.id + '">' +
     .find(".autodoc_template_home_row")
     .clone();
 
-  conf.busy++;
+  loader_icon_on();
   $.getJSON(
     conf.openapi +
     "/documents?pageSize=" +
     null,
     function (data, textStatus, jqXHR) {
       // last document was loaded, stop scrolling
-      conf.busy--;
+      loader_icon_off();
       if (data.length < conf.home.width) {
         conf.home.end = 1;
       }
   console.log("upload_handler");
   if (temp.documentid == null) {
     console.log("creating documentId");
-    conf.busy++;
+    loader_icon_on();
     $.post(conf.openapi + "/documents", {}, function (data) {
-      conf.busy--;
+      loader_icon_off();
       temp.documentid = data.id;
     });
     stop = 0;
 
     temp.upload[e.data]['progress'] = 50;
 
-    conf.busy++;
+    loader_icon_on();
     $.ajax({
       type: 'POST',
       url: conf.openapi + "/documents/" + temp.documentid + "/data",
         return xhr;
       },
       success: function (data, status, xhr) {
-        conf.busy--;
+        loader_icon_off();
         temp.upload[this.id].progress = 100;
 
       }
 }
 
 function home_modal_open(docid) {
-  conf.busy++;
+  loader_icon_on();
   $.getJSON(conf.openapi + "/documents/" + docid, function (data) {
-    conf.busy--;
+    loader_icon_off();
     $('#autodoc_home_modal').data('document', data);
     $('#autodoc_home_modal').data('documentid', docid);
 
 }
 
 function document_update_name(docid, name) {
-  conf.busy++;
+  loader_icon_on();
   $.ajax({
     type: "PATCH",
     url: conf.openapi + "/documents/" + docid + "?name=" + encodeURIComponent(name),
     success: function (data) {
-      conf.busy--;
+      loader_icon_off();
       $('span.autodoc_home_modal_name').removeClass('d-none');
       $('input.autodoc_home_modal_name').addClass('d-none');
       home_modal_open(docid);
   });
 }
 
+function loader_icon_on() {
+  conf.busy++;
+}
+
+function load_icon_off() {
+  setTimeout(function() { conf.busy--; }, 1000);
+}
+
 function loader_icon_update() {
   if ( conf.busy > 0 ) {
     $('.autodoc_ajax_on').removeClass('d-none');