diff --git a/binaries/data/mods/public/gui/common/functions_global_object.js b/binaries/data/mods/public/gui/common/functions_global_object.js
index 4844616dab..3cdb58b0d2 100644
--- a/binaries/data/mods/public/gui/common/functions_global_object.js
+++ b/binaries/data/mods/public/gui/common/functions_global_object.js
@@ -68,6 +68,13 @@ function messageBox (mbWidth, mbHeight, mbMessage, mbTitle, mbMode, mbButtonCapt
 
 // ====================================================================
 
+
+function openURL(url)
+{
+	Engine.OpenURL(url);
+	messageBox(600, 200, sprintf(translate("Opening %(url)s\n in default web browser. Please wait..."), { url: url }), translate("Opening page"), 2);
+}
+
 function updateFPS()
 {	
 	Engine.GetGUIObjectByName("fpsCounter").caption = sprintf(translate("FPS: %(fps)s"), { fps: Engine.GetFPS() });
diff --git a/binaries/data/mods/public/gui/manual/manual.xml b/binaries/data/mods/public/gui/manual/manual.xml
index 4d6bdb13bf..e3f53eabef 100644
--- a/binaries/data/mods/public/gui/manual/manual.xml
+++ b/binaries/data/mods/public/gui/manual/manual.xml
@@ -19,9 +19,7 @@
 		<object type="button" style="StoneButton" size="100%-308 100%-52 100%-168 100%-24">
 			<translatableAttribute id="caption">Online Manual</translatableAttribute>
 			<action on="Press"><![CDATA[
-				var url = "http://trac.wildfiregames.com/wiki/0adManual";
-				Engine.OpenURL(url);
-				messageBox(450, 200, "Opening "+url+"\n in default web browser. Please wait...", "Opening page", 2);
+				openURL("http://trac.wildfiregames.com/wiki/0adManual");
 			]]></action>
 		</object>
 		<object type="button" style="StoneButton" tooltip_style="snToolTip" size="100%-164 100%-52 100%-24 100%-24">
diff --git a/binaries/data/mods/public/gui/pregame/mainmenu.xml b/binaries/data/mods/public/gui/pregame/mainmenu.xml
index ac33a73660..84ae5f9d8b 100644
--- a/binaries/data/mods/public/gui/pregame/mainmenu.xml
+++ b/binaries/data/mods/public/gui/pregame/mainmenu.xml
@@ -2,6 +2,7 @@
 
 <objects>
 	<script file="gui/common/music.js"/>
+	<script file="gui/common/functions_global_object.js"/>
 	<script file="gui/common/functions_utility_error.js"/>
 	<script file="gui/pregame/mainmenu.js"/>
 
@@ -511,9 +512,7 @@
 					<translatableAttribute id="caption">Website</translatableAttribute>
 					<translatableAttribute id="tooltip">Click to open play0ad.com in your web browser.</translatableAttribute>
 					<action on="Press"><![CDATA[
-						var url = "http://play0ad.com/";
-						Engine.OpenURL(url);
-						messageBox(450, 200, "Opening "+url+"\n in default web browser. Please wait...", "Opening page", 2);
+						openURL("http://play0ad.com/");
 					]]></action>
 				</object>
 
@@ -525,9 +524,7 @@
 					<translatableAttribute id="caption">Chat</translatableAttribute>
 					<translatableAttribute id="tooltip">Click to open the 0 A.D. IRC chat in your browser. (#0ad on webchat.quakenet.org)</translatableAttribute>
 					<action on="Press"><![CDATA[
-						var url = "http://webchat.quakenet.org/?channels=0ad";
-						Engine.OpenURL(url);
-						messageBox(450, 200, "Opening "+url+"\n in default web browser. Please wait...", "Opening page", 2);
+						openURL("http://webchat.quakenet.org/?channels=0ad");
 					]]></action>
 				</object>
 				<object type="button"
@@ -536,11 +533,9 @@
 					size="8 100%-108 100%-8 100% -80"
 				>
 					<translatableAttribute id="caption">Help with the translation!</translatableAttribute>
-					<translatableAttribute id="tooltip">Click to open the 0 A.D translate page in your brownser.</translatableAttribute>
+					<translatableAttribute id="tooltip">Click to open the 0 A.D translate page in your browser.</translatableAttribute>
 					<action on="Press"><![CDATA[
-						var url = "http://trac.wildfiregames.com/wiki/Localization";
-						Engine.OpenURL(url);
-						messageBox(450, 200, "Opening "+url+"\n in default web browser. Please wait...", "Opening page", 2);
+						openURL("http://trac.wildfiregames.com/wiki/Localization");
 					]]></action>
 				</object>
 
@@ -552,9 +547,7 @@
 					<translatableAttribute id="caption">Report a Bug</translatableAttribute>
 					<translatableAttribute id="tooltip">Click to visit 0 A.D. Trac to report a bug, crash, or error.</translatableAttribute>
 					<action on="Press"><![CDATA[
-						var url = "http://trac.wildfiregames.com/wiki/ReportingErrors/";
-						Engine.OpenURL(url);
-						messageBox(450, 200, "Opening "+url+"\n in default web browser. Please wait...", "Opening page", 2);
+						openURL("http://trac.wildfiregames.com/wiki/ReportingErrors/");
 					]]></action>
 				</object>
 
diff --git a/binaries/data/mods/public/gui/splashscreen/splashscreen.js b/binaries/data/mods/public/gui/splashscreen/splashscreen.js
index 3525830490..fc04c33397 100644
--- a/binaries/data/mods/public/gui/splashscreen/splashscreen.js
+++ b/binaries/data/mods/public/gui/splashscreen/splashscreen.js
@@ -3,9 +3,3 @@ function init(data)
 	Engine.GetGUIObjectByName("mainText").caption = Engine.TranslateLines(Engine.ReadFile("gui/splashscreen/" + data.page + ".txt"));
 	Engine.GetGUIObjectByName("displaySplashScreen").checked = (Engine.ConfigDB_GetValue("user", "splashscreenversion") < Engine.GetFileMTime("gui/splashscreen/splashscreen.txt"));
 }
-
-function openURL(url)
-{
-	Engine.OpenURL(url);
-	messageBox(600, 200, sprintf(translate("Opening %(url)s\n in default web browser. Please wait..."), { url: url }), translate("Opening page"), 2);
-}