diff --git a/src/elogd.c b/src/elogd.c
index 7a601b5e..d0771f84 100755
--- a/src/elogd.c
+++ b/src/elogd.c
@@ -14051,19 +14051,13 @@ void show_config_page(LOGBOOK * lbs)
       rsprintf("<!--\n");
       rsprintf("function SetNone()\n");
       rsprintf("  {\n");
-      rsprintf("  for (var i = 0; i < document.form1.elements.length; i++)\n");
-      rsprintf("    {\n");
-      rsprintf("    if( document.form1.elements[i].type == 'checkbox' )\n");
-      rsprintf("      document.form1.elements[i].checked = false;\n");
-      rsprintf("    }\n");
+      rsprintf("    for (var i=0,els=document.querySelectorAll('[name^=\"sub_lb\"]') ; i<els.length ; i++)\n");
+      rsprintf("      els[i].checked = false;\n");
       rsprintf("  }\n");
       rsprintf("function SetAll()\n");
       rsprintf("  {\n");
-      rsprintf("  for (var i = 0; i < document.form1.elements.length; i++)\n");
-      rsprintf("    {\n");
-      rsprintf("    if( document.form1.elements[i].type == 'checkbox' )\n");
-      rsprintf("      document.form1.elements[i].checked = true;\n");
-      rsprintf("    }\n");
+      rsprintf("    for (var i=0,els=document.querySelectorAll('[name^=\"sub_lb\"]') ; i<els.length ; i++)\n");
+      rsprintf("      els[i].checked = true;\n");
       rsprintf("  }\n");
       rsprintf("//-->\n");
       rsprintf("</script>\n");