Facebook login bottom don`t work

<div id="gkfb-root"></div>
<script type="text/javascript">

//<![CDATA[
   	window.fbAsyncInit = function() {
		FB.init({ appId: '171342606239806', 
			status: true, 
			cookie: true,
			xfbml: true,
			oauth: true
		});
   		    
	  		};
    //      
   window.addEvent('load', function(){
        (function(){
                if(!document.getElementById('fb-root')) {
                     var root = document.createElement('div');
                     root.id = 'fb-root';
                     document.getElementById('gkfb-root').appendChild(root);
                     var e = document.createElement('script');

                     e.async = true;
                 document.getElementById('fb-root').appendChild(e);   
                }
        }());
    }); 
    //]]>
</script>