[JavaScript]Zmiana treści diva bez odświeżania Opcje

[smigla]

Witam używam tego skryptu który zmienia zawartość diva bez odświeżania strony jednak potrzebuję aby w tej sekcji też się treść zmieniała bez odświeżania

[PHP] pobierz, plaintext 
/**
 * cbpFWTabs.js v1.0.0
 * <a href="http://www.codrops.com" target="_blank">http://www.codrops.com</a>
 *
 * Licensed under the MIT license.
 * <a href="http://www.opensource.org/licenses/mit-license.php" target="_blank">http://www.opensource.org/licenses/mit-license.php</a>
 * 
 * Copyright 2014, Codrops
 * <a href="http://www.codrops.com" target="_blank">http://www.codrops.com</a>
 */
;( function( window ) {
 
   'use strict';
 
   function extend( a, b ) {
      for( var key in b ) { 
         if( b.hasOwnProperty( key ) ) {
            a[key] = b[key];
         }
      }
      return a;
   }
 
   function CBPFWTabs( el, options ) {
      this.el = el;
      this.options = extend( {}, this.options );
        extend( this.options, options );
        this._init();
   }
 
   CBPFWTabs.prototype.options = {
      start : 0
   };
 
   CBPFWTabs.prototype._init = function() {
      // tabs elemes
      this.tabs = [].slice.call( this.el.querySelectorAll( 'nav > ul > li' ) );
      // contentt items
      this.items = [].slice.call( this.el.querySelectorAll( '.contentt > section' ) );
      // current index
      this.current = -1;
      // show current contentt item
      this._show();
      // init events
      this._initEvents();
   };
 
   CBPFWTabs.prototype._initEvents = function() {
      var self = this;
      this.tabs.forEach( function( tab, idx ) {
         tab.addEventListener( 'click', function( ev ) {
            ev.preventDefault();
            self._show( idx );
         } );
      } );
   };
 
   CBPFWTabs.prototype._show = function( idx ) {
      if( this.current >= 0 ) {
         this.tabs[ this.current ].className = '';
         this.items[ this.current ].className = '';
      }
      // change current
      this.current = idx != undefined ? idx : this.options.start >= 0 && this.options.start < this.items.length ? this.options.start : 0;
      this.tabs[ this.current ].className = 'tab-current';
      this.items[ this.current ].className = 'contentt-current';
   };
 
   // add to global namespace
   window.CBPFWTabs = CBPFWTabs;
 
})( window );
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
         <div id="tabs" class="tabs">
            <nav>
               <ul>
                  <li><a href="#section-1"><span>2016</span></a></li>
                  <li><a href="#section-2"><span>2015</span></a></li>
               </ul>
            </nav>
            <div class="content">
               <section id="section-1">
                  <div class="mediabox">
                     <img src="imgages/pozar.png" alt="img01" />
                     <h3>Pożary:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/wypadek.png" alt="img01" />
                     <h3>Wypadki:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/mz.png" alt="img01" />
                     <h3>Miejscowe zagrożenia:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/fa.png" alt="img01" />
                     <h3>Fałszywe alarmy:</h3>
                     <p>0</p>
                  </div>
                              <nav>
               <ul>
                  <li><a href="#section-1"><span>2016</span></a></li>
                  <li><a href="#section-2"><span>2015</span></a></li>
               </ul>
            </nav>
               </section>
                              <section id="section-2">
                  <div class="mediabox">
                     <img src="imgages/pozar.png" alt="img01" />
                     <h3>Pożary:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/wypadek.png" alt="img01" />
                     <h3>Wypadki:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/mz.png" alt="img01" />
                     <h3>Miejscowe zagrożenia:</h3>
                     <p>0</p>
                  </div>
                  <div class="mediabox">
                     <img src="imgages/fa.png" alt="img01" />
                     <h3>Fałszywe alarmy:</h3>
                     <p>0</p>
                  </div>
                              <nav>
               <ul>
                  <li><a href="#section-1"><span>2016</span></a></li>
                  <li><a href="#section-2"><span>2015</span></a></li>
               </ul>
            </nav>
               </section>
            </div><!-- /content -->
         </div><!-- /tabs -->
      <script src="js/cbpFWTabs.js"></script>
      <script>
         new CBPFWTabs( document.getElementById( 'tabs' ) );
      </script>
[PHP] pobierz, plaintext 

Ktoś pomoże ?