active = 'start'; 
  show = function(to) {
	  document.getElementById(active).style.display = 'none';
	  document.getElementById(to).style.display = 'block';
	  active = to;
  }
  change = function(img, dir) {
	  if(dir)	  document.getElementById(img+"button").src = "media/"+img+"button2.gif";
	  else    	  document.getElementById(img+"button").src = "media/"+img+"button.gif";
  }
  
  extLink = function(elem) {
  document.location.href = "links.php?link="+elem.href;
  return false;
  }
  
  op = function(when) {
	document.location.href = 'immo.php?mod='+when;
  }
  
 brochure = function (lang, id) {
	brosch = window.open("http://www.alpinriviera.ch/download.php?lang="+lang+"&id="+id, "", "resizable=yes,scrollbars=yes,width=400,height=350");
	brosch.focus();
}