function collapseRightMenu(menu_id)
{
  var elIn = document.getElementById("right_menu_in_"+menu_id);
  var elOut = document.getElementById("right_menu_out_"+menu_id);
  
  elIn.style.display = "none";
  elOut.style.display = "block";
  elOut.style.cursor = "pointer";
}

function decollapseRightMenu(menu_id)
{
  var elIn = document.getElementById("right_menu_in_"+menu_id);
  var elOut = document.getElementById("right_menu_out_"+menu_id);
  
  elIn.style.display = "block";
  elOut.style.display = "none";
  elOut.style.cursor = "";
}