diff --git a/functions.js b/functions.js
index f308a3d27..3a67b1837 100644
--- a/functions.js
+++ b/functions.js
@@ -1320,7 +1320,7 @@ function leading_zero(p) {
 
 function closeInfoBox(cleanup) {
 
-	if (!is_msie()) {
+	if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
 		var overlay = document.getElementById("dialog_overlay");
 		if (overlay) {
 			overlay.style.display = "none";
@@ -1383,10 +1383,12 @@ function infobox_submit_callback() {
 
 function infobox_callback() {
 	if (xmlhttp.readyState == 4) {
-		var overlay = document.getElementById("dialog_overlay");
 
-		if (overlay) {
-			overlay.style.display = "block";
+		if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
+			var overlay = document.getElementById("dialog_overlay");
+			if (overlay) {
+				overlay.style.display = "block";
+			}
 		}
 
 		var box = document.getElementById('infoBox');
diff --git a/functions.php b/functions.php
index f528edc9b..cdf592f70 100644
--- a/functions.php
+++ b/functions.php
@@ -2202,16 +2202,16 @@
 			get_pref($link, "ON_CATCHUP_SHOW_NEXT_FEED") . "\"/>";
 
 		print "<param key=\"hide_read_feeds\" value=\"" . 
-			sprintf("%d", get_pref($link, "HIDE_READ_FEEDS")) . "\"/>";
+			(int) get_pref($link, "HIDE_READ_FEEDS") . "\"/>";
 
 		print "<param key=\"feeds_sort_by_unread\" value=\"" . 
-			sprintf("%d", get_pref($link, "FEEDS_SORT_BY_UNREAD")) . "\"/>";
+			(int) get_pref($link, "FEEDS_SORT_BY_UNREAD") . "\"/>";
 
 		print "<param key=\"confirm_feed_catchup\" value=\"" . 
-			sprintf("%d", get_pref($link, "CONFIRM_FEED_CATCHUP")) . "\"/>";
+			(int) get_pref($link, "CONFIRM_FEED_CATCHUP") . "\"/>";
 
 		print "<param key=\"cdm_auto_catchup\" value=\"" . 
-			sprintf("%d", get_pref($link, "CDM_AUTO_CATCHUP")) . "\"/>";
+			(int) get_pref($link, "CDM_AUTO_CATCHUP") . "\"/>";
 
 		print "<param key=\"icons_url\" value=\"" . ICONS_URL . "\"/>";
 
@@ -2221,11 +2221,14 @@
 			get_pref($link, "_DEFAULT_VIEW_MODE") . "\"/>";
 
 		print "<param key=\"default_view_limit\" value=\"" . 
-			sprintf("%d", get_pref($link, "_DEFAULT_VIEW_LIMIT")) . "\"/>";
+			(int) get_pref($link, "_DEFAULT_VIEW_LIMIT") . "\"/>";
 
 		print "<param key=\"prefs_active_tab\" value=\"" . 
 			get_pref($link, "_PREFS_ACTIVE_TAB") . "\"/>";
 
+		print "<param key=\"infobox_disable_overlay\" value=\"" . 
+			get_pref($link, "_INFOBOX_DISABLE_OVERLAY") . "\"/>";
+
 		print "</init-params>";
 	}
 
diff --git a/schema/ttrss_schema_mysql.sql b/schema/ttrss_schema_mysql.sql
index 6db955e5f..25c2ec95e 100644
--- a/schema/ttrss_schema_mysql.sql
+++ b/schema/ttrss_schema_mysql.sql
@@ -274,6 +274,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_INFOBOX_DISABLE_OVERLAY', 1, 'false', '', 1);
+
 create table ttrss_user_prefs (
    owner_uid integer not null,
    pref_name varchar(250),
diff --git a/schema/ttrss_schema_pgsql.sql b/schema/ttrss_schema_pgsql.sql
index e5509a981..ed109e5fd 100644
--- a/schema/ttrss_schema_pgsql.sql
+++ b/schema/ttrss_schema_pgsql.sql
@@ -254,6 +254,8 @@ insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) valu
 
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_INFOBOX_DISABLE_OVERLAY', 1, 'false', '', 1);
+
 create table ttrss_user_prefs (
 	owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 	pref_name varchar(250) not null references ttrss_prefs(pref_name) ON DELETE CASCADE,
diff --git a/schema/versions/mysql/17.sql b/schema/versions/mysql/17.sql
index 631dc30a2..1416be2c1 100644
--- a/schema/versions/mysql/17.sql
+++ b/schema/versions/mysql/17.sql
@@ -1,3 +1,5 @@
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_INFOBOX_DISABLE_OVERLAY', 1, 'false', '', 1);
+
 update ttrss_version set schema_version = 17;
diff --git a/schema/versions/pgsql/17.sql b/schema/versions/pgsql/17.sql
index 631dc30a2..1416be2c1 100644
--- a/schema/versions/pgsql/17.sql
+++ b/schema/versions/pgsql/17.sql
@@ -1,3 +1,5 @@
 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
 
+insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_INFOBOX_DISABLE_OVERLAY', 1, 'false', '', 1);
+
 update ttrss_version set schema_version = 17;