function showBranch(branch) {
  var objBranch = document.getElementById(branch).style;
  if(objBranch.display=="block")
	 objBranch.display="none";
  else
	 objBranch.display="block";
}

function showBranch2(branch) {
  var objBranch = document.getElementById(branch).style;
  if(objBranch.display=="none")
	 objBranch.display="block";
  else
	 objBranch.display="none";
}