diff --git a/classes/pref/system.php b/classes/pref/system.php
index a4a072ea9..bc519a321 100644
--- a/classes/pref/system.php
+++ b/classes/pref/system.php
@@ -165,8 +165,8 @@ class Pref_System extends Handler_Administrative {
 					<script type='dojo/method' event='onSelected' args='evt'>
 						if (this.domNode.querySelector('.loading'))
 							window.setTimeout(() => {
-								xhrPost("backend.php", {op: 'pref-system', method: 'getphpinfo'}, (transport) => {
-									this.attr('content', `<div class='phpinfo'>${transport.responseText}</div>`);
+								xhr.post("backend.php", {op: 'pref-system', method: 'getphpinfo'}, (reply) => {
+									this.attr('content', `<div class='phpinfo'>${reply}</div>`);
 								});
 							}, 200);
 					</script>
diff --git a/js/App.js b/js/App.js
index 0c12c7e6f..1b0fa7c65 100644
--- a/js/App.js
+++ b/js/App.js
@@ -2,7 +2,7 @@
 
 /* eslint-disable new-cap */
 /* global __, Article, Headlines, Filters, fox */
-/* global xhrPost, xhrJson, dojo, dijit, PluginHost, Notify, Feeds, Cookie */
+/* global xhrPost, xhr, dojo, dijit, PluginHost, Notify, Feeds, Cookie */
 /* global CommonDialogs, Plugins */
 
 const App = {
@@ -362,10 +362,10 @@ const App = {
       }
    },
    hotkeyHelp: function() {
-      xhrPost("backend.php", {op: "rpc", method: "hotkeyHelp"}, (transport) => {
+      xhr.post("backend.php", {op: "rpc", method: "hotkeyHelp"}, (reply) => {
          const dialog = new fox.SingleUseDialog({
             title: __("Keyboard shortcuts"),
-            content: transport.responseText,
+            content: reply,
          });
 
          dialog.show();
@@ -474,11 +474,9 @@ const App = {
 
 		PluginHost.run(PluginHost.HOOK_RUNTIME_INFO_LOADED, data);
 	},
-	backendSanityCallback: function(transport) {
-		const reply = JSON.parse(transport.responseText);
-
+	backendSanityCallback: function(reply) {
 		if (!reply) {
-			this.Error.fatal(ERRORS[3], {info: transport.responseText});
+			this.Error.fatal(ERRORS[3]);
 			return;
 		}
 
@@ -559,14 +557,14 @@ const App = {
 			const message = params.message ? params.message : error.toString();
 
 			try {
-				xhrPost("backend.php",
+				xhr.post("backend.php",
 					{op: "rpc", method: "log",
 						file: params.filename ? params.filename : error.fileName,
 						line: params.lineno ? params.lineno : error.lineNumber,
 						msg: message,
 						context: error.stack},
-					(transport) => {
-						console.warn("[Error.report] log response", transport.responseText);
+					(reply) => {
+						console.warn("[Error.report] log response", reply);
 					});
 			} catch (re) {
 				console.error("[Error.report] exception while saving logging error on server", re);
@@ -645,9 +643,9 @@ const App = {
             hasSandbox: "sandbox" in document.createElement("iframe")
          };
 
-         xhrPost("backend.php", params, (transport) => {
+         xhr.json("backend.php", params, (reply) => {
             try {
-               this.backendSanityCallback(transport);
+               this.backendSanityCallback(reply);
             } catch (e) {
                this.Error.report(e);
             }
@@ -862,7 +860,7 @@ const App = {
 
       if (article_id) Article.view(article_id);
 
-      xhrPost("backend.php", {op: "rpc", method: "setpanelmode", wide: wide ? 1 : 0});
+      xhr.post("backend.php", {op: "rpc", method: "setpanelmode", wide: wide ? 1 : 0});
    },
    initHotkeyActions: function() {
       if (this.is_prefs) {
@@ -1058,7 +1056,7 @@ const App = {
             Headlines.reverse();
          };
          this.hotkey_actions["feed_toggle_vgroup"] = () => {
-            xhrPost("backend.php", {op: "rpc", method: "togglepref", key: "VFEED_GROUP_BY_FEED"}, () => {
+            xhr.post("backend.php", {op: "rpc", method: "togglepref", key: "VFEED_GROUP_BY_FEED"}, () => {
                Feeds.reloadCurrent();
             })
          };
@@ -1133,7 +1131,7 @@ const App = {
          this.hotkey_actions["toggle_combined_mode"] = () => {
             const value = this.isCombinedMode() ? "false" : "true";
 
-            xhrPost("backend.php", {op: "rpc", method: "setpref", key: "COMBINED_DISPLAY_MODE", value: value}, () => {
+            xhr.post("backend.php", {op: "rpc", method: "setpref", key: "COMBINED_DISPLAY_MODE", value: value}, () => {
                this.setInitParam("combined_display_mode",
                   !this.getInitParam("combined_display_mode"));
 
@@ -1144,7 +1142,7 @@ const App = {
          this.hotkey_actions["toggle_cdm_expanded"] = () => {
             const value = this.getInitParam("cdm_expanded") ? "false" : "true";
 
-            xhrPost("backend.php", {op: "rpc", method: "setpref", key: "CDM_EXPANDED", value: value}, () => {
+            xhr.post("backend.php", {op: "rpc", method: "setpref", key: "CDM_EXPANDED", value: value}, () => {
                this.setInitParam("cdm_expanded", !this.getInitParam("cdm_expanded"));
                Headlines.renderAgain();
             });
diff --git a/js/Article.js b/js/Article.js
index 379e05644..339d26266 100644
--- a/js/Article.js
+++ b/js/Article.js
@@ -1,7 +1,7 @@
 'use strict'
 
 /* eslint-disable no-new */
-/* global __, ngettext, App, Headlines, xhrPost, xhrJson, dojo, dijit, PluginHost, Notify, fox */
+/* global __, ngettext, App, Headlines, xhr, dojo, dijit, PluginHost, Notify, fox */
 
 const Article = {
 	_scroll_reset_timeout: false,
@@ -331,13 +331,11 @@ const Article = {
 				if (this.validate()) {
 					Notify.progress("Saving article tags...", true);
 
-					xhrPost("backend.php", this.attr('value'), (transport) => {
+					xhr.json("backend.php", this.attr('value'), (data) => {
 						try {
 							Notify.close();
 							dialog.hide();
 
-							const data = JSON.parse(transport.responseText);
-
 							if (data) {
 								const id = data.id;
 
diff --git a/js/CommonDialogs.js b/js/CommonDialogs.js
index 3acd2b577..516da5c98 100644
--- a/js/CommonDialogs.js
+++ b/js/CommonDialogs.js
@@ -3,7 +3,7 @@
 /* eslint-disable new-cap */
 /* eslint-disable no-new */
 
-/* global __, dojo, dijit, Notify, App, Feeds, xhrPost, xhrJson, Tables, fox */
+/* global __, dojo, dijit, Notify, App, Feeds, xhrPost, xhr, Tables, fox */
 
 /* exported CommonDialogs */
 const	CommonDialogs = {
@@ -17,7 +17,7 @@ const	CommonDialogs = {
 
 				const query = {op: "pref-feeds", method: "removeicon", feed_id: id};
 
-				xhrPost("backend.php", query, () => {
+				xhr.post("backend.php", query, () => {
 					Notify.info("Feed icon removed.");
 
 					if (App.isPrefs())
@@ -180,17 +180,12 @@ const	CommonDialogs = {
 									Element.show("feed_add_spinner");
 									Element.hide("fadd_error_message");
 
-									xhrPost("backend.php", this.attr('value'), (transport) => {
+									xhr.json("backend.php", this.attr('value'), (reply) => {
 										try {
 
-											let reply;
-
-											try {
-												reply = JSON.parse(transport.responseText);
-											} catch (e) {
+											if (!reply) {
 												Element.hide("feed_add_spinner");
 												alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
-												console.log('subscribeToFeed, backend returned:' + transport.responseText);
 												return;
 											}
 
@@ -285,7 +280,7 @@ const	CommonDialogs = {
 									ids: sel_rows.toString()
 								};
 
-								xhrPost("backend.php", query, () => {
+								xhr.post("backend.php", query, () => {
 									Notify.close();
 									dialog.hide();
 
@@ -359,7 +354,7 @@ const	CommonDialogs = {
 
 				Notify.progress("Loading, please wait...", true);
 
-				xhrPost("backend.php", query, () => {
+				xhr.post("backend.php", query, () => {
 					if (dijit.byId("labelTree")) {
 						dijit.byId("labelTree").reload();
 					} else {
@@ -377,7 +372,7 @@ const	CommonDialogs = {
 
 				const query = {op: "pref-feeds", quiet: 1, method: "remove", ids: feed_id};
 
-				xhrPost("backend.php", query, () => {
+				xhr.post("backend.php", query, () => {
 					if (App.isPrefs()) {
 						dijit.byId("feedTree").reload();
 					} else {
@@ -415,7 +410,7 @@ const	CommonDialogs = {
 					if (this.validate()) {
 						Notify.progress("Saving data...", true);
 
-						xhrPost("backend.php", dialog.attr('value'), () => {
+						xhr.post("backend.php", dialog.attr('value'), () => {
 							dialog.hide();
 							Notify.close();
 
diff --git a/js/CommonFilters.js b/js/CommonFilters.js
index 3fa100b9e..9cc93d7b8 100644
--- a/js/CommonFilters.js
+++ b/js/CommonFilters.js
@@ -3,7 +3,7 @@
 /* eslint-disable no-new */
 
 /* global __, App, Article, Lists, fox */
-/* global xhrPost, dojo, dijit, Notify, Feeds */
+/* global xhr, dojo, dijit, Notify, Feeds */
 
 const	Filters = {
 	filterDlgCheckAction: function(sender) {
@@ -275,7 +275,7 @@ const	Filters = {
 
 							const query = {op: "pref-filters", method: "remove", ids: this.attr('value').id};
 
-							xhrPost("backend.php", query, () => {
+							xhr.post("backend.php", query, () => {
 								const tree = dijit.byId("filterTree");
 
 								if (tree) tree.reload();
@@ -303,7 +303,7 @@ const	Filters = {
 
 							Notify.progress("Saving data...", true);
 
-							xhrPost("backend.php", this.attr('value'), () => {
+							xhr.post("backend.php", this.attr('value'), () => {
 								dialog.hide();
 
 								const tree = dijit.byId("filterTree");
diff --git a/js/Feeds.js b/js/Feeds.js
index 7cefe2235..e9681953e 100644
--- a/js/Feeds.js
+++ b/js/Feeds.js
@@ -1,6 +1,6 @@
 'use strict'
 
-/* global __, App, Headlines, xhrPost, xhrJson, dojo, dijit, Form, fox, PluginHost, Notify, $$, fox */
+/* global __, App, Headlines, xhrPost, xhr, dojo, dijit, fox, PluginHost, Notify, fox */
 
 const	Feeds = {
 	counters_last_request: 0,
@@ -299,7 +299,7 @@ const	Feeds = {
 	toggleUnread: function() {
 		const hide = !App.getInitParam("hide_read_feeds");
 
-		xhrPost("backend.php", {op: "rpc", method: "setpref", key: "HIDE_READ_FEEDS", value: hide}, () => {
+		xhr.post("backend.php", {op: "rpc", method: "setpref", key: "HIDE_READ_FEEDS", value: hide}, () => {
 			this.hideOrShowFeeds(hide);
 			App.setInitParam("hide_read_feeds", hide);
 		});
@@ -393,7 +393,7 @@ const	Feeds = {
 
 			Notify.progress("Marking all feeds as read...");
 
-			xhrPost("backend.php", {op: "feeds", method: "catchupAll"}, () => {
+			xhr.post("backend.php", {op: "feeds", method: "catchupAll"}, () => {
 				this.requestCounters(true);
 				this.reloadCurrent();
 			});
diff --git a/js/PrefFeedTree.js b/js/PrefFeedTree.js
index c7228e6ff..d3a4cd33d 100644
--- a/js/PrefFeedTree.js
+++ b/js/PrefFeedTree.js
@@ -1,5 +1,5 @@
 /* eslint-disable prefer-rest-params */
-/* global __, lib, dijit, define, dojo, CommonDialogs, Notify, Tables, xhrPost, xhrJson, fox, App */
+/* global __, lib, dijit, define, dojo, CommonDialogs, Notify, Tables, xhrPost, xhr, fox, App */
 
 define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_base/array", "dojo/cookie"],
 	function (declare, domConstruct, checkBoxTree, array, cookie) {
@@ -164,14 +164,14 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 		resetFeedOrder: function() {
 			Notify.progress("Loading, please wait...");
 
-			xhrPost("backend.php", {op: "pref-feeds", method: "feedsortreset"}, () => {
+			xhr.post("backend.php", {op: "pref-feeds", method: "feedsortreset"}, () => {
 				this.reload();
 			});
 		},
 		resetCatOrder: function() {
 			Notify.progress("Loading, please wait...");
 
-			xhrPost("backend.php", {op: "pref-feeds", method: "catsortreset"}, () => {
+			xhr.post("backend.php", {op: "pref-feeds", method: "catsortreset"}, () => {
 				this.reload();
 			});
 		},
@@ -179,7 +179,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 			if (confirm(__("Remove category %s? Any nested feeds would be placed into Uncategorized.").replace("%s", item.name))) {
 				Notify.progress("Removing category...");
 
-				xhrPost("backend.php", {op: "pref-feeds", method: "removeCat", ids: id}, () => {
+				xhr.post("backend.php", {op: "pref-feeds", method: "removeCat", ids: id}, () => {
 					Notify.close();
 					this.reload();
 				});
@@ -198,7 +198,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 						ids: sel_rows.toString()
 					};
 
-					xhrPost("backend.php", query, () => {
+					xhr.post("backend.php", query, () => {
 						this.reload();
 					});
 				}
@@ -247,7 +247,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 						ids: sel_rows.toString()
 					};
 
-					xhrPost("backend.php", query, () => {
+					xhr.post("backend.php", query, () => {
 						this.reload();
 					});
 				}
@@ -338,7 +338,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 
 								Notify.progress("Saving data...", true);
 
-								xhrPost("backend.php", query, () => {
+								xhr.post("backend.php", query, () => {
 									dialog.hide();
 
 									const tree = dijit.byId("feedTree");
@@ -367,7 +367,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 
 				Notify.progress("Loading, please wait...");
 
-				xhrPost("backend.php", { op: 'pref-feeds', method: 'renamecat', id: id, title: new_name }, () => {
+				xhr.post("backend.php", { op: 'pref-feeds', method: 'renamecat', id: id, title: new_name }, () => {
 					this.reload();
 				});
 			}
@@ -378,7 +378,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 			if (title) {
 				Notify.progress("Creating category...");
 
-				xhrPost("backend.php", {op: "pref-feeds", method: "addCat", cat: title}, () => {
+				xhr.post("backend.php", {op: "pref-feeds", method: "addCat", cat: title}, () => {
 					Notify.close();
 					this.reload();
 				});
@@ -393,7 +393,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 						if (this.validate()) {
 							Notify.progress(__("Subscribing to feeds..."), true);
 
-							xhrPost("backend.php", this.attr('value'), () => {
+							xhr.post("backend.php", this.attr('value'), () => {
 								Notify.close();
 
 								const tree = dijit.byId("feedTree");
@@ -478,7 +478,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dojo/_b
 									ids: sel_rows.toString()
 								};
 
-								xhrPost("backend.php", query, () => {
+								xhr.post("backend.php", query, () => {
 									Notify.close();
 
 									const tree = dijit.byId("feedTree");
diff --git a/js/PrefFilterTree.js b/js/PrefFilterTree.js
index 3d00c730c..cc37808be 100644
--- a/js/PrefFilterTree.js
+++ b/js/PrefFilterTree.js
@@ -1,5 +1,5 @@
 /* eslint-disable prefer-rest-params */
-/* global __, define, lib, dijit, dojo, xhrPost, Notify */
+/* global __, define, lib, dijit, dojo, xhr, Notify */
 
 define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree"], function (declare, domConstruct) {
 
@@ -99,7 +99,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree"], functio
 		resetFilterOrder: function() {
 			Notify.progress("Loading, please wait...");
 
-			xhrPost("backend.php", {op: "pref-filters", method: "filtersortreset"}, () => {
+			xhr.post("backend.php", {op: "pref-filters", method: "filtersortreset"}, () => {
 				this.reload();
 			});
 		},
@@ -114,7 +114,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree"], functio
 			if (confirm(__("Combine selected filters?"))) {
 				Notify.progress("Joining filters...");
 
-				xhrPost("backend.php", {op: "pref-filters", method: "join", ids: rows.toString()}, () => {
+				xhr.post("backend.php", {op: "pref-filters", method: "join", ids: rows.toString()}, () => {
 					this.reload();
 				});
 			}
@@ -131,7 +131,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree"], functio
 						ids: sel_rows.toString()
 					};
 
-					xhrPost("backend.php", query, () => {
+					xhr.post("backend.php", query, () => {
 						this.reload();
 					});
 				}
diff --git a/js/PrefHelpers.js b/js/PrefHelpers.js
index c17966291..abf5fff51 100644
--- a/js/PrefHelpers.js
+++ b/js/PrefHelpers.js
@@ -1,7 +1,7 @@
 'use strict';
 
 /* eslint-disable no-new */
-/* global __, dijit, dojo, Tables, xhrPost, Notify, xhrJson, App, fox */
+/* global __, dijit, dojo, Tables, xhrPost, Notify, xhr, App, fox */
 
 const	Helpers = {
 	AppPasswords: {
@@ -45,7 +45,7 @@ const	Helpers = {
 			if (confirm(__("This will invalidate all previously generated feed URLs. Continue?"))) {
 				Notify.progress("Clearing URLs...");
 
-				xhrPost("backend.php", {op: "pref-feeds", method: "clearKeys"}, () => {
+				xhr.post("backend.php", {op: "pref-feeds", method: "clearKeys"}, () => {
 					Notify.info("Generated URLs cleared.");
 				});
 			}
@@ -82,7 +82,7 @@ const	Helpers = {
 
 				Notify.progress("Loading, please wait...");
 
-				xhrPost("backend.php", {op: "pref-system", method: "clearLog"}, () => {
+				xhr.post("backend.php", {op: "pref-system", method: "clearLog"}, () => {
 					Helpers.EventLog.refresh();
 				});
 			}
@@ -108,7 +108,7 @@ const	Helpers = {
 								ids: sel_rows.toString()
 							};
 
-							xhrPost("backend.php", query, () => {
+							xhr.post("backend.php", query, () => {
 								Notify.close();
 								dialog.refresh();
 							});
@@ -124,7 +124,7 @@ const	Helpers = {
 
 						const query = {op: "pref-prefs", method: "addprofile", title: dialog.attr('value').newprofile};
 
-						xhrPost("backend.php", query, () => {
+						xhr.post("backend.php", query, () => {
 							Notify.close();
 							dialog.refresh();
 						});
@@ -194,7 +194,7 @@ const	Helpers = {
 						if (confirm(__("Activate selected profile?"))) {
 							Notify.progress("Loading, please wait...");
 
-							xhrPost("backend.php", {op: "pref-prefs", method: "activateprofile", id: sel_rows.toString()}, () => {
+							xhr.post("backend.php", {op: "pref-prefs", method: "activateprofile", id: sel_rows.toString()}, () => {
 								window.location.reload();
 							});
 						}
@@ -217,7 +217,7 @@ const	Helpers = {
 				const dialog = new fox.SingleUseDialog({
 					title: __("Customize stylesheet"),
 					apply: function() {
-						xhrPost("backend.php", this.attr('value'), () => {
+						xhr.post("backend.php", this.attr('value'), () => {
 							Element.show("css_edit_apply_msg");
 							App.byId("user_css_style").innerText = this.attr('value');
 						});
@@ -225,7 +225,7 @@ const	Helpers = {
 					execute: function () {
 						Notify.progress('Saving data...', true);
 
-						xhrPost("backend.php", this.attr('value'), () => {
+						xhr.post("backend.php", this.attr('value'), () => {
 							window.location.reload();
 						});
 					},
@@ -277,7 +277,7 @@ const	Helpers = {
 			if (confirm(__("Clear stored data for this plugin?"))) {
 				Notify.progress("Loading, please wait...");
 
-				xhrPost("backend.php", {op: "pref-prefs", method: "clearplugindata", name: name}, () => {
+				xhr.post("backend.php", {op: "pref-prefs", method: "clearplugindata", name: name}, () => {
 					Helpers.Prefs.refresh();
 				});
 			}
diff --git a/js/PrefLabelTree.js b/js/PrefLabelTree.js
index 9d16a147c..5e024afde 100644
--- a/js/PrefLabelTree.js
+++ b/js/PrefLabelTree.js
@@ -1,5 +1,5 @@
 /* eslint-disable prefer-rest-params */
-/* global __, define, lib, dijit, dojo, xhrPost, Notify, fox, App */
+/* global __, define, lib, dijit, dojo, xhr, Notify, fox, App */
 
 define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dijit/form/DropDownButton"], function (declare, domConstruct) {
 
@@ -98,7 +98,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dijit/f
 							ids: id, fg: fg, bg: bg, color: color
 						};
 
-						xhrPost("backend.php", query, () => {
+						xhr.post("backend.php", query, () => {
 							const tree = dijit.byId("filterTree");
 							if (tree) tree.reload(); // maybe there's labels in there
 						});
@@ -114,7 +114,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dijit/f
 							this.setLabelColor(id, fg_color, bg_color);
 							this.hide();
 
-							xhrPost("backend.php", this.attr('value'), () => {
+							xhr.post("backend.php", this.attr('value'), () => {
 								const tree = dijit.byId("filterTree");
 								if (tree) tree.reload(); // maybe there's labels in there
 							});
@@ -196,7 +196,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dijit/f
 						ids: labels.toString()
 					};
 
-					xhrPost("backend.php", query, () => {
+					xhr.post("backend.php", query, () => {
 						this.reload();
 					});
 				}
@@ -217,7 +217,7 @@ define(["dojo/_base/declare", "dojo/dom-construct", "lib/CheckBoxTree", "dijit/f
 						ids: sel_rows.toString()
 					};
 
-					xhrPost("backend.php", query, () => {
+					xhr.post("backend.php", query, () => {
 						this.reload();
 					});
 				}
diff --git a/js/PrefUsers.js b/js/PrefUsers.js
index 5b490a2a5..9b9c1deaf 100644
--- a/js/PrefUsers.js
+++ b/js/PrefUsers.js
@@ -1,7 +1,7 @@
 'use strict'
 
 /* global __  */
-/* global xhrPost, xhrJson, dijit, Notify, Tables, App, fox */
+/* global xhrPost, xhr, dijit, Notify, Tables, App, fox */
 
 const	Users = {
 	reload: function(sort) {
@@ -38,7 +38,7 @@ const	Users = {
 					if (this.validate()) {
 						Notify.progress("Saving data...", true);
 
-						xhrPost("backend.php", this.attr('value'), () => {
+						xhr.post("backend.php", this.attr('value'), () => {
 							dialog.hide();
 							Users.reload();
 						});
@@ -160,7 +160,7 @@ const	Users = {
 					ids: sel_rows.toString()
 				};
 
-				xhrPost("backend.php", query, () => {
+				xhr.post("backend.php", query, () => {
 					this.reload();
 				});
 			}
diff --git a/js/common.js b/js/common.js
index f3fcdd905..1c9a0453c 100755
--- a/js/common.js
+++ b/js/common.js
@@ -140,7 +140,6 @@ String.prototype.stripTags = function() {
 }
 
 /* exported xhr */
-
 const xhr = {
 	post: function(url, params = {}, complete = undefined) {
 		console.log('xhr.post', '>>>', params);