diff --git a/classes/backend.php b/classes/backend.php
index f7e7b84b8..334701f4a 100644
--- a/classes/backend.php
+++ b/classes/backend.php
@@ -12,16 +12,16 @@ class Backend extends Handler {
 	}
 
 	function help() {
-		$tid = (int) $_REQUEST["tid"];
+		$topic = basename($_REQUEST["topic"]);
 
-		if (file_exists("help/$tid.php")) {
-			include("help/$tid.php");
+		if (file_exists("help/$topic.php")) {
+			include("help/$topic.php");
 		} else {
 			print "<p>".__("Help topic not found.")."</p>";
 		}
-		print "<div align='center'>
+		/* print "<div align='center'>
 			<button onclick=\"javascript:window.close()\">".
-			__('Close this window')."</button></div>";
+			__('Close this window')."</button></div>"; */
 
 	}
 }
diff --git a/help/3.php b/help/main.php
similarity index 100%
rename from help/3.php
rename to help/main.php
diff --git a/help/4.php b/help/prefs.php
similarity index 100%
rename from help/4.php
rename to help/prefs.php
diff --git a/index.php b/index.php
index 6d0b7c645..25e3a5cb4 100644
--- a/index.php
+++ b/index.php
@@ -97,9 +97,7 @@
 		alt="new_version_icon"/>
 </div>
 
-<div id="hotkey_help_overlay" style="display : none" onclick="Element.hide(this)">
-	<?php include "help/3.php" ?>
-</div>
+<div id="hotkey_help_overlay" style="display : none" onclick="Element.hide(this)"></div>
 
 <div id="notify" class="notify"><span id="notify_body">&nbsp;</span></div>
 <div id="cmdline" style="display : none"></div>
diff --git a/js/functions.js b/js/functions.js
index 69406f3e1..02134aafa 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -634,15 +634,6 @@ function explainError(code) {
 	return displayDlg("explainError", code);
 }
 
-function displayHelpInfobox(topic_id) {
-
-	var url = "backend.php?op=backend&method=help&tid=" + param_escape(topic_id);
-
-	window.open(url, "ttrss_help",
-		"status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
-
-}
-
 function loading_set_progress(p) {
 	try {
 		loading_progress += p;
diff --git a/js/prefs.js b/js/prefs.js
index 896a787c6..bd3866991 100644
--- a/js/prefs.js
+++ b/js/prefs.js
@@ -1001,12 +1001,7 @@ function pref_hotkey_handler(e) {
 		if (!hotkey_prefix) {
 
 			if ((keycode == 191 || keychar == '?') && shift_key) { // ?
-				if (!Element.visible("hotkey_help_overlay")) {
-					//Element.show("hotkey_help_overlay");
-					Effect.Appear("hotkey_help_overlay", {duration : 0.3, to: 0.9});
-				} else {
-					Element.hide("hotkey_help_overlay");
-				}
+				showHelp();
 				return false;
 			}
 
@@ -1919,3 +1914,16 @@ function editSelectedInstance() {
 	editInstance(rows[0]);
 }
 
+function showHelp() {
+	try {
+		new Ajax.Request("backend.php", {
+			parameters: "?op=backend&method=help&topic=prefs",
+			onComplete: function(transport) {
+				$("hotkey_help_overlay").innerHTML = transport.responseText;
+				Effect.Appear("hotkey_help_overlay", {duration : 0.3});
+			} });
+
+	} catch (e) {
+		exception_error("showHelp", e);
+	}
+}
diff --git a/js/tt-rss.js b/js/tt-rss.js
index 38232bdfe..23349db63 100644
--- a/js/tt-rss.js
+++ b/js/tt-rss.js
@@ -428,8 +428,12 @@ function quickMenuGo(opid) {
 		}
 
 		if (opid == "qmcHKhelp") {
-			//Element.show("hotkey_help_overlay");
-			Effect.Appear("hotkey_help_overlay", {duration : 0.3});
+			new Ajax.Request("backend.php", {
+				parameters: "?op=backend&method=help&topic=main",
+				onComplete: function(transport) {
+					$("hotkey_help_overlay").innerHTML = transport.responseText;
+					Effect.Appear("hotkey_help_overlay", {duration : 0.3});
+				} });
 		}
 
 		if (opid == "qmcAbout") {
diff --git a/prefs.php b/prefs.php
index 40d9a35ac..52be2a7a6 100644
--- a/prefs.php
+++ b/prefs.php
@@ -72,14 +72,12 @@
 	</div>
 </div>
 
-<div id="hotkey_help_overlay" style="display : none" onclick="Element.hide(this)">
-	<?php include "help/4.php" ?>
-</div>
+<div id="hotkey_help_overlay" style="display : none" onclick="Element.hide(this)"></div>
 
 <img id="piggie" src="images/piggie.png" style="display : none" alt="piggie"/>
 
 <div id="header" dojoType="dijit.layout.ContentPane" region="top">
-	<a href='#' onclick="Effect.Appear('hotkey_help_overlay', {duration: 0.3})"><?php echo __("Keyboard shortcuts") ?></a> |
+	<a href='#' onclick="showHelp()"><?php echo __("Keyboard shortcuts") ?></a> |
 	<a href="#" onclick="gotoMain()"><?php echo __('Exit preferences') ?></a>
 </div>