X-Git-Url: http://git.jankratochvil.net/?p=www.energie.vellum.cz.git;a=blobdiff_plain;f=have_js.js;h=19a3360997ebdd7a5c3257fe4135c667f53e4464;hp=546e08e776663a248857f7634d289addcedcf601;hb=7bbc72911fa79440bf4e16e2a6c823726a29731a;hpb=1009be8bc14e18d6660d2d287d009bf609d5dbc1

diff --git a/have_js.js b/have_js.js
index 546e08e..19a3360 100644
--- a/have_js.js
+++ b/have_js.js
@@ -1,15 +1,20 @@
 // $Id$
 
-var searchN=window.location.search;
-if (searchN=="" || searchN=="?")
-	searchN="?";
-else
-	searchN+="&";
-searchN+="have_js=1";
+// Prevent redirection of some top (referring) foreign webpage as it
+// may not pass "have_js=1" to us anyway. (for example Google cache)
 
-window.location.href
-	=window.location.protocol+"//"
-	+window.location.hostname
-	+window.location.pathname
-	+window.location.hash
-	+searchN;
+if (window.location.hostname=="energie.vellum.cz") {
+	var searchN=window.location.search;
+	if (searchN=="" || searchN=="?")
+		searchN="?";
+	else
+		searchN+="&";
+	searchN+="have_js=1";
+
+	window.location.href
+			=window.location.protocol+"//"
+			+window.location.hostname
+			+window.location.pathname
+			+window.location.hash
+			+searchN;
+	}