do not include keyboard help files into index and prefs.php

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;

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);
+	}
+}

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") {