function fb_login_window(reload) {
	FB.init({
            appId:fb_api_id, cookie:true,
            status:true, xfbml:false
     });
	FB.login(function(response) {
		 if (response.session) {
			 doPost(window.location.href, 'soc_system_auth=4');	
		}
	}, {perms:'email'});
	return false;
}