function showLayer( layer ) {
  // First, hide all layers
  divs = document.getElementById('body-home-match').getElementsByTagName('div');
  for(var i=0; i<divs.length; i++) {
    divs[i].style.display = 'none';
  } 
  
  // Then, show given layer
  var layername = 'home-match-' + layer;
  document.getElementById(layername).style.display = 'block';

  // And change properties of the links
  lis = document.getElementById('body-home-match').getElementsByTagName('li');
  for(var i=0; i<lis.length; i++) {
    lis[i].style.fontWeight     = 'normal';
    lis[i].style.textDecoration = 'underline';
  }

  var listname = 'home-match-li-' + layer;
  document.getElementById(listname).style.fontWeight = 'bold';
  document.getElementById(listname).style.textDecoration = 'none';

  return false;
}