$(function() {          
  $("img").lazyload({
    placeholder : "[:$base_path|escape:]/pc/image/grey.gif",
    effect      : "fadeIn",
    failurelimit : 20
  });
});

function setPref(pref){
  if ($("input:radio[@name='category']:checked").val() == undefined) {
    category_no = 0;
  } else {
    category_no = $("input:radio[@name='category']:checked").val();  
  }
  url = $('#form1').attr("action")+'pref/'+pref+'/category_no/'+category_no+'/';
  $('#form1').attr("action", url);
  $('form')[0].submit();
}

function setArea(area){
  url = $('#form1').attr("action")+'/area/'+area;
  $('#form1').attr("action", url);
  $('form')[0].submit();
}