function showBox(box) {
  var boxes = new Array('service','options','layout','facilities','place');
  for(var i = 0; i < boxes.length; i++) {
    $("box_"+boxes[i]).set('styles', {	'visibility': 'hidden','display':'none'});
    $("topic_"+boxes[i]).set('class','');
  }
$("box_"+box).set('styles', {	'visibility': 'visible','display':'block'});
$("topic_"+box).set('class',"active");
}