$(document).ready(function() {
    var h_start = function() {
      $('img.hover').css('visibility','hidden');
      $('div.popup').css('visibility','hidden');
      $('#plan_img').fadeTo(10, 0.3);
      var id = $(this).attr('id').replace("area_","");
      $("#hover_"+id).css('visibility','visible');
      $("#popup_"+id).css('visibility','visible');
    };
    var h_end = function() {
      $('#plan_img').fadeTo(10, 1.0);
      $('img.hover').css('visibility','hidden');
      $('div.popup').css('visibility','hidden');
    };
    $('#plan_map').find('area[coords]').hoverIntent(h_start,h_end);
});