Подскажите пожалуйста, за что отвечают эти скрипты в футере?
{* Fancybox *}
<link href="design/{$settings->theme|escape}/css/jquery.fancybox.min.css{if $css_version}?v={$css_version}{/if}" rel="stylesheet">
{if $smarty.get.module == 'ProductView' || $smarty.get.module == "BlogView"}
<link href="design/{$settings->theme|escape}/css/font-awesome.min.css{if $css_version}?v={$css_version}{/if}" rel="stylesheet">
<link href="design/{$settings->theme|escape}/css/jssocials.css{if $css_version}?v={$css_version}{/if}" rel="stylesheet">
<link href="design/{$settings->theme|escape}/css/jssocials-theme-flat.css{if $css_version}?v={$css_version}{/if}" rel="stylesheet">
{/if}
<script>ut_tracker.end('parsing:body_bottom:css');</script>
{* Fancybox *}
<script src="design/{$settings->theme|escape}/js/jquery.fancybox.min.js{if $js_version}?v={$js_version}{/if}" defer></script>
{* Autocomplete *}
<script src="design/{$settings->theme}/js/jquery.autocomplete-min.js{if $js_version}?v={$js_version}{/if}" defer></script>
{$admintooltip}
{*JQuery Validation*}
<script src="design/{$settings->theme}/js/jquery.validate.min.js{if $js_version}?v={$js_version}{/if}" ></script>
<script src="design/{$settings->theme}/js/additional-methods.min.js{if $js_version}?v={$js_version}{/if}"></script>