Show more / less

<script>
$(document).ready(function () {
$(".content").hide();
$("#show_more").on("click", function () {
var txt = $("#show_more_content").is(':visible') ? 'Zobrazit více »' : 'Zobrazit méně »';
$("#show_more").text(txt);
$(this).next('#show_more_content').slideToggle(200);
});
});
</script>