function rs(nd){
  if (nd=="i") document.getElementById("decormenu").style.display = "block";
  if (nd=="u") document.getElementById("decormenu").style.display = "none";
}
function rsf(nd){
  if (nd=="i") document.getElementById("fasadmenu").style.display = "block";
  if (nd=="u") document.getElementById("fasadmenu").style.display = "none";
}
function cs(nd){
  if (nd=="i") document.getElementById("catalog").style.display = "block";
  if (nd=="u") document.getElementById("catalog").style.display = "none";
}
function ns(g){
  document.getElementById("f"+g).style.display = "block";
}
function nn(g){
  document.getElementById("f"+g).style.display = "none";
}