function zmiana(gdzie)    {

if (gdzie == 1 )     {
document.getElementById("miesiac1").style.display= "block"
document.getElementById("miesiac2").style.display= "none"
document.getElementById("miesiac3").style.display= "none"
document.getElementById("miesiac4").style.display= "none"
document.getElementById("miesiac5").style.display= "none"
document.getElementById("miesiac6").style.display= "none"
}

if (gdzie == 2 )     {
document.getElementById("miesiac1").style.display= "none"
document.getElementById("miesiac2").style.display= "block"
document.getElementById("miesiac3").style.display= "none"
document.getElementById("miesiac4").style.display= "none"
document.getElementById("miesiac5").style.display= "none"
document.getElementById("miesiac6").style.display= "none"
}

if (gdzie == 3 )     {
document.getElementById("miesiac1").style.display= "none"
document.getElementById("miesiac2").style.display= "none"
document.getElementById("miesiac3").style.display= "block"
document.getElementById("miesiac4").style.display= "none"
document.getElementById("miesiac5").style.display= "none"
document.getElementById("miesiac6").style.display= "none"
}

if (gdzie == 4 )     {
document.getElementById("miesiac1").style.display= "none"
document.getElementById("miesiac2").style.display= "none"
document.getElementById("miesiac3").style.display= "none"
document.getElementById("miesiac4").style.display= "block"
document.getElementById("miesiac5").style.display= "none"
document.getElementById("miesiac6").style.display= "none"
}

if (gdzie == 5 )     {
document.getElementById("miesiac1").style.display= "none"
document.getElementById("miesiac2").style.display= "none"
document.getElementById("miesiac3").style.display= "none"
document.getElementById("miesiac4").style.display= "none"
document.getElementById("miesiac5").style.display= "block"
document.getElementById("miesiac6").style.display= "none"
}

if (gdzie == 6 )     {
document.getElementById("miesiac1").style.display= "none"
document.getElementById("miesiac2").style.display= "none"
document.getElementById("miesiac3").style.display= "none"
document.getElementById("miesiac4").style.display= "none"
document.getElementById("miesiac5").style.display= "none"
document.getElementById("miesiac6").style.display= "block"
}
}