function top_none(id) {
  document.getElementById("topbox_" + id).style.display = "none";
}
function top_block(id) {
  document.getElementById("topbox_" + id).style.display = "block";
}

function sub_block(subid) {
  document.getElementById("subbox_" + subid).style.display = "block";    
}
function sub_none(subid) {
  document.getElementById("subbox_" + subid).style.display = "none";    
}

function subtop_block(subid,topid) {
  document.getElementById("topbox_" + topid).style.display = "block";
  document.getElementById("subbox_" + subid).style.display = "block"; 
}
function subtop_none(subid,topid) {
  document.getElementById("topbox_" + topid).style.display = "none";
  document.getElementById("subbox_" + subid).style.display = "none";    
}