function main_menu()
{
    while :
    do
        echo
	clear
        echo "------------------------------------------------------------------------------------"   
        echo ""
	     echo "			  	                 ABC System Limited"
	     echo " 	               	               MAIN MENU"
        echo "------------------------------------------------------------------------------------"
        echo
	echo "		Before"
	echo 
        echo "			              1.Retrieve & Transfer Files"
	echo
	echo "		Start"
	echo 
        echo "			               2.start Batch run"
	echo "			                   3.Generate Report & Monitor log" 
	echo						
        echo "	 After"
	echo
	echo "			                   4.Retrieve & Transfer sys Files"
	echo "			                   5.Retrieve & Transfer DB & log files"
	echo 			
        echo "		                   99.Quit"
        echo""
        echo "--------------------------------v1.0-------------------------------------------------"
        echo ""
        read -p "Select from 1-7 or 99 to Exit: " m_choice
        echo
 
        case "$m_choice" in 
            1)  incoming
                echo
                ;;
            2)  outgoing
                echo
                ;;
            3)  backup
                ;;
            99)  exit 0
                ;;
            *)  echo "Bad Option"
                echo
                ;;
        esac
    done
}
 
function incoming()
{
    while :
    do
        echo
        clear
        echo "------------------------------------------------------------------------------------"
        echo ""
        echo "                   	       ABC System Limited"
        echo "                                 Support Team" 
        echo "------------------------------------------------------------------------------------"
        echo
	echo "			                   Retrieve & Transfer  files"
	echo
        echo " 		             11. Retrieve & Transfer  files1"
        echo "		             12. Retrieve & Transfer  files2"
        echo "			         13. Retrieve & Transfer  file3"
	echo "			             14. Retrieve & Transfer  file4"
	echo 
	echo "			              00. Retrieve all"
        echo ""
	echo "			              99. Exit"
        echo ""
	echo "--------------------------------v1.0-------------------------------------------------"
	echo ""
        read -p "Selct From 1-4 or Select All: " s_choice
        echo
 
        case "$s_choice" in
            11)  /tmp/menu45.sh [run the script]
                ;;
            12)  echo "Sub-Menu Option 2"
                echo
                ;;
	    13)  echo "Sub-Menu Option 3"
                echo 
		;;
	    14)  echo "Sub-Menu Option 4"
                echo 
		;;
	   97)  echo "Sub-Menu Option 5"
                echo
                ;;

            99)  main_menu
                ;;

            *)  echo "Bad Option"
                echo
                ;;
        esac
    done
}
 main_menu
exit 1