<script type="text/javascript">   
$(document).ready(function() {   
var keys = [''Ucozwebmeistars,'']; //atslegvardi   
var countvideo = 25;   
var youtube_link = new Array();   
$.getJSON('http://gdata.youtube.com/feeds/api/videos?q='+keys.join('+')+'&format=5&max-results='+countvideo+'&v=2&alt=jsonc', function(data){   
$.each(data['data']['items'], function(i,item){   
youtube_link.push(item['id']);   
});   
$('#videotube').html('<iframe width="315" height="170" src="//www.youtube.com/embed/'+youtube_link[Math.floor(Math.random()*youtube_link.length)]+'" frameborder="0" allowfullscreen></iframe>');   
});   
});   
</script>   
<div id="videotube"></div>

var keys = [''Ucozwebmeistars,'']; //atslegvardi  

['vards 1','vards 2','vards 3','vards 4','vards 5']