--- trunk/installer-simple/bin/installer.sh.in	2014/01/07 13:55:26	2423
+++ trunk/installer-simple/bin/installer.sh.in	2014/01/07 13:56:51	2424
@@ -315,11 +315,12 @@
 
 dialog_main()
 {
-	METHOD=0
+	local method=0
+	local retval
 
-	while [[ ${METHOD} -le 2 ]]
+	while [[ ${method} -le 2 ]]
 	do
-		METHOD=$(dialog \
+		method=$(dialog \
 		--backtitle "${TITLE}" \
 		--no-cancel \
 		--ok-label "Weiter" \
@@ -329,11 +330,11 @@
 		"2" "Uebersicht gefundener Laufwerke" \
 		"3" "Beenden und neustarten" \
 		"4" "Beenden und eine Shell starten")
-		RES=$?
-		[[ ${RES} -eq 1 ]] && exit 1
-		if [[ ${RES} -eq 0 ]]
+		retval=$?
+		[[ ${retval} -eq 1 ]] && exit 1
+		if [[ ${retval} -eq 0 ]]
 		then
-			case ${METHOD} in
+			case ${method} in
 				"1") dialog_setup_system_menu ;;
 				"2") dialog_hardware_detection ;;
 				"3") install_do_reboot ;;