function show_vot(){
  document.getElementById("CATA").style.display="block";
  document.getElementById("VOTE").style.display="none";
 	if (document.getElementById("btSCAT"))document.getElementById("btSCAT").style.display="none";
 	if (document.getElementById("btSVOT"))document.getElementById("btSVOT").style.display="block";
}

function show_cat(){
  document.getElementById("CATA").style.display="none";
  document.getElementById("VOTE").style.display="block";
 	if (document.getElementById("btSCAT"))document.getElementById("btSCAT").style.display="block";
 	if (document.getElementById("btSVOT"))document.getElementById("btSVOT").style.display="none";
}