set a to display dialog "Choose action:" buttons {"Ping", "Install mods", "Cancel"}
if button returned of a is "Ping" then
    set temp to display dialog "Choose what to ping" buttons {"MC server", "Google", "Cancel"} default button 1
    if button returned of temp is "MC server" then
        set server to display dialog "Insert server adress" default answer "nanajuu.dip.jp" buttons {"Ping", "Cancel"} default button 1
        set ping_result to (do shell script "ping -c 10 " & text returned of server & "|grep \"round-trip\"") as text
        display dialog ping_result buttons {"OK"}
    else
        set ping_result to (do shell script "ping -c 10 google.ru |grep \"round-trip\"") as text
        display dialog ping_result buttons {"OK"}
    end if
else
    do shell script "cd ~
        mkdir mctemp
        cd mctemp
        jar xf ~/library/application\\ support/minecraft/bin/minecraft.jar
        cp -fR ~/mods ~/mctemp
        jar uf ~/library/application\\ support/minecraft/bin/minecraft.jar ./
        cd ~
        rm -rf ~/mods/*
        rm -rf ~/mctemp"
    say "success" using "Bells"
    display dialog "Success!" buttons {"OK"}
end if