$(document).ready(function() {  
  $('#pics_switch, #list_switch').click(function(e) {
    e.preventDefault();
    $('#listView, #picsView, ._sw').toggle();
  });

  $("#xxx").hoverIntent({
    sensitivity: 3,
    interval: 0,
    over: function() { $('#drop').show(); },
    timeout: 500,
    out: function() { $('#drop').hide(); }
  });  
});