diff --git a/bin/named/bind9.xsl.h b/bin/named/bind9.xsl.h
index 5fc8d6c600..c6e250dcc1 100644
--- a/bin/named/bind9.xsl.h
+++ b/bin/named/bind9.xsl.h
@@ -26,6 +26,14 @@ static char xslmsg[] =
 	" var wid=0;\n"
 	" $('table.zones').each(function(i) { if( $(this).width() > wid ) wid = $(this).width(); return true; });\n"
 	" $('table.zones').css('min-width', wid );\n"
+	" $(\"h2+table,h3+table,h4+table,h2+div,h3+div,h2+script,h3+script\").prev().append(' <a class=\"tabletoggle\" href=\"#\" style=\"font-size:small\">Show/Hide</a>');\n"
+	" $(\".tabletoggle\").click(function(){\n"
+	" var n = $(this).closest(\"h2,h3,h4\").next();\n"
+	" if (n.is(\"script\")) { n = n.next(); }\n"
+	" if (n.is(\"div\")) { n.toggleClass(\"hidden\"); n = n.next(); }\n"
+	" if (n.is(\"table\")) { n.toggleClass(\"hidden\"); }\n"
+	" return false;\n"
+	" });\n"
 	" });\n"
 	" </script>\n"
 	"\n"
@@ -95,6 +103,10 @@ static char xslmsg[] =
 	" font-size: 10pt;\n"
 	" }\n"
 	"\n"
+	" .hidden{\n"
+	" display: none;\n"
+	" }\n"
+	"\n"
 	" .odd{\n"
 	" background-color: #f0f0f0;\n"
 	" }\n"