function hide(element)
{
  document.getElementById(element).style.display = "none";
}

function show(element)
{
  document.getElementById(element).style.display = "block";
}
function takeANoteAppear(){
  hide('takeANoteDiv');
}

$(document).ready(function(){
  $('div.presenter .item').corner('8px');
  $('div.home-featuredpresentation').corner('8px');
  $('div.ui-presentation-item').corner('8px');
  $('div.ui-document-item').corner('8px');
  $('div.notice').corner('8px');
  $('div.duration').corner('3px');
  $('body').pngFix();
});

/**
 * Komodo sharing options dialog box jQuery plugin
 * 
 * Initialize to the div that should be the dialog box
 * 
 * @param:  The following parameters are optional:
 *          - debugMode: Debug message should appear in the console
 ****************************************/
(function($){
  $.fn.extend({ 
    komodoSharingOptions: function(params) {
      var defaults = {};
      var options =  $.extend(defaults, params);
      var $this = $(this);
      var userList = $this.find('ul.sharing-options-user-list');
      var addUserForm = $this.find('form#sharingAddUser');
      var addUserInput = $this.find('input#sharingAddUserInput');
      
      var init = function() {
        debug('Start komodoSharingOptions');
        $this.dialog({resizable: false});
        $this.find('button').button({ icons: {primary:'ui-icon-person'} });
        showUserList();
        //autocomplete "add user" form
        addUserInput.autocomplete({
          source:addUserForm.attr('action')+"?operation=autocomplete",
          minLength:2,
          select:addUserAutocomplete
        });
        //"add user" form submission
        addUserForm.submit(function(e){
          e.preventDefault();
          $.ajax({
            url: addUserForm.attr('action')+"?operation=user-add", 
            data: addUserForm.serialize(),
            type: 'POST',
            success: function(data, status){
              userList.html(data);
              setUserListBehavior();
            },
            ajaxSend: function(){}
          });
        });
      };
      //show the user list
      var showUserList = function(){
        $.ajax({
          url: addUserForm.attr('action')+"?operation=user-list",
          data: addUserForm.serialize(),
          success: function(data, status){
            userList.html(data);
            setUserListBehavior();
          }
        });
      };
      //set the behavior of the user list button
      var setUserListBehavior = function(){
        userList.find('form').submit(function(e){
          e.preventDefault();
          $.ajax({
            url: $(this).attr('action')+'?operation=user-delete',
            data: $(this).serialize(),
            success: function(data, status){
              userList.html(data);
              setUserListBehavior();
            }
          })
        })
      };
      //when the user select an option from the autocompletion
      var addUserAutocomplete = function(e, ui){
        addUserInput.val(ui.item.value);
        addUserForm.find('input[name=userId]').val(ui.item.id);
      };
      var debug = function(message) {
        if(options.debugMode && window.console) { 
          console.log(message);
        };
      };
      init();
    }
  });
})(jQuery);


/**
 * --------------------------------------------------------------------
 * jQuery-Plugin "pngFix"
 * Version: 1.1, 11.09.2007
 * by Andreas Eberhard, andreas.eberhard@gmail.com
 *                      http://jquery.andreaseberhard.de/
 *
 * Copyright (c) 2007 Andreas Eberhard
 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
 */
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