function show_help(obj)
{
  if(obj=='help1')
     var ob_to_show = document.getElementById('help1');
  if(obj=='help2')
     var ob_to_show = document.getElementById('help2');
  if(obj=='help3')
     var ob_to_show = document.getElementById('help3');
  if(obj=='help4')
     var ob_to_show = document.getElementById('help4');
  if(obj=='help5')
     var ob_to_show = document.getElementById('help5');
  if(obj=='help6')
     var ob_to_show = document.getElementById('help6');
  if(obj=='help7')
     var ob_to_show = document.getElementById('help7');
  if(obj=='help8')
     var ob_to_show = document.getElementById('help8');
  if(obj=='help9')
     var ob_to_show = document.getElementById('help9');
  if(obj=='help10')
     var ob_to_show = document.getElementById('help10');
  if(obj=='help11')
     var ob_to_show = document.getElementById('help11');

  if(ob_to_show.style.display == "") {
    ob_to_show.style.display = "none";
  }
  else {
    ob_to_show.style.display = "";
  }
}
function hide_help(obj)
{
  if(obj=='help1')
     var ob_to_show = document.getElementById('help1');
  if(obj=='help2')
     var ob_to_show = document.getElementById('help2');
  if(obj=='help3')
     var ob_to_show = document.getElementById('help3');
  if(obj=='help4')
     var ob_to_show = document.getElementById('help4');
  if(obj=='help5')
     var ob_to_show = document.getElementById('help5');
  if(obj=='help6')
     var ob_to_show = document.getElementById('help6');
  if(obj=='help7')
     var ob_to_show = document.getElementById('help7');
  if(obj=='help8')
     var ob_to_show = document.getElementById('help8');
  if(obj=='help9')
     var ob_to_show = document.getElementById('help9');
  if(obj=='help10')
     var ob_to_show = document.getElementById('help10');
  if(obj=='help11')
     var ob_to_show = document.getElementById('help11');

  ob_to_show.style.display = "none";
}