[Dilettante_Pro]

Найди 2 отличия

<div id = "ptags" style="display:block">ptags</div>
<div class = "image_post_content" style="display:block">image_post_content</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

<script>
if ($("#ptags").css("display") != "none") {
        $(".image_post_content").css("display","none");
      } else {
        $(".image_post_content").css("display","block");
      }
</script>