// Toggle tabs
function tab(id) {
  for(var i=0; i < 10; i++){
   var th = document.getElementById("tabH" + i);
   if (th && i != id) {
     var tb = document.getElementById("tabB" +i);
     tb.style.display = 'none';
     th.style.background = "#224066";
   }
  }
  document.getElementById("tabH" + id).style.background = "#121935";
  document.getElementById("tabB" + id).style.display = 'block';
  return false;

}