function zac(a,b){
hm1 = document.getElementById(a);
hm2 = document.getElementById(b);
hm1.style.display = "none";
hm2.style.display = "none";}
function norm(neu){
hm = document.getElementById(neu);
if(hm.style.display == "none")
hm.style.display = "block";
else
hm.style.display = "none";}
function zmen_1(lol){
pod = document.getElementById(lol);
pod.style.textDecoration = "underline";}
function zmen_2(lol){
pod = document.getElementById(lol);
pod.style.textDecoration = "none";}