Hide Div Inside of Tabs

HTML

<link rel="stylesheet" href="http://wordpressisacms.com/JAVASCRIPT/FRAMEWORKS/jquery/jquery.ui/themes/base/jquery.ui.tabs.css">
<link rel="stylesheet" href="http://wordpressisacms.com/JAVASCRIPT/FRAMEWORKS/jquery/jquery.ui/themes/base/jquery.ui.all.css">
<div class="main">
    <div class="slides">Slides division</div>
    <div id="tabs">
        <ul>
            <li> <a href="#tab-1">tab1</a></li>
            <li> <a href="#tab-2">tab2</a></li>
            <li> <a href="#tab-3">tab3</a></li>
            <li> <a href="#tab-4">tab4</a></li>             
        </ul>
        <div id="tab-1">
            <div class="tabContent">
                Tab 1 content goes here
            </div>
        </div>
        <div id="tab-2">
            <div class="tabContent">
                Tab 2 content goes here
            </div>        
        </div>
        <div id="tab-3">
             <div class="tabContent">
                Tab 3 content goes here
            </div>       
        </div>
        <div id="tab-4">
             <div class="tabContent">
     
        <div id="myTabs">
            <ul>
                <li><a href="#tab1">Tab 1</a></li>
                <li><a href="#tab2">Tab 2</a></li>
                <li><a href="#mappanel">Map</a></li>
            </ul>
            <div id="tab1">
                Tab 1 Content       
            </div>
            <div id="tab2">
                Tab 2 Content
            </div>
            <div id="mappanel">
                <div id="map" style="width:600px; height:300px;">
                </div>
            </div>
        </div>
            </div>
        </div>
    </div>
</div>

JavaScript

$('.tabContent').hide();
$('#tabs').tabs({
    selected: -1,
    show: function(event, ui) {          
       var selected = $(this).tabs( "option", "selected" );
       $("#tab-"+(selected+1)).children('.tabContent').fadeIn(3500);
   }
});


    $('#myTabs').tabs({
            fx: {
      height: 'toggle', 
      opacity: 'toggle', 
      duration: 300
    }            
    });