[JavaScript] 2 Javascripts gleichzeitig

<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
//<![CDATA[
$(document).ready(function() {

 //When page loads...
 $(".tab_content").hide(); //Hide all content
 $("ul.tabs li:first").addClass("active").show(); //Activate first tab
 $(".tab_content:first").show(); //Show first tab content

 //On Click Event
 $("ul.tabs li").click(function() {

 $("ul.tabs li").removeClass("active"); //Remove any "active" class
 $(this).addClass("active"); //Add "active" class to selected tab
 $(".tab_content").hide(); //Hide all tab content

 var activeTab = $(this).find("a").attr("href"); //Find the href attribute value to identify the active tab + content
 $(activeTab).fadeIn(); //Fade in the active ID content
 return false;
 });

});
//]]>
</script> 

<script type="text/javascript" src="js/mootools.js"></script>
<script type="text/javascript" src="js/slideshow.js"></script>
<script type="text/javascript">
//<![CDATA[
window.addEvent('domready', function(){
var data = {
'1075.jpg': { caption: 'Text.' },
'1076.jpg': { caption: 'Text.' },
'1077.jpg': { caption: 'Text.' }
};
var myShow = new Slideshow('show', data, {controller: true, height: 300, hu: 'images/', thumbnails: true, width: 400});
});
//]]>
</script>