<style>.post-content legend.hide{display:none;}</style>
<script type="text/javascript">
//alert("A")
var SkL="\\[",SkR="\\]";
var patt = new Array()
  patt[0] = SkL + "NIC" + SkR + "([^" + SkL + SkR + "$]+)" + SkL + "/NIC" + SkR;
  patt[1] = SkL + "STA" + SkR + "([^" + SkL + SkR + "$]+)" + SkL + "/STA" + SkR;
  patt[2] = SkL + "AVA" + SkR + "([^" + SkL + SkR + "$]+)" + SkL + "/AVA" + SkR;
  patt[3] = SkL + "SGN" + SkR + "([^" + SkL + SkR + "]+)" + SkL + "/SGN" + SkR;

 $(".post-content").each(function (){
  var contex = $(this).html();

   for (j=0; j < patt.length; j++){
	var chang = '<legend class="hide ' + patt[j].substring(2,5) + '" >';//alert(chang)
	var EndCh = '</legend>'; 
	var reg_esp  = new RegExp(patt[j],"igm");
	contex=contex.replace(reg_esp,chang + "$1" + EndCh);//alert(contex)
    }$(this).html(contex)
 });
var pa_avtr='<li class="pa-avatar">';
var Avt_St='<img src="';
var Avt_End='"alt="Аватар"/>';
var PostSig_St='<dl class="post-sig"><dt><span>Подпись автора</span></dt><dd><p>';
var PostSig_End='</p></dd></dl>';

$(".post legend.hide").each(function (){
 var S=$(this).html();
 var STA=$(this).parents(".post").find(".post-author .pa-title")
/*[NIC]*/ if($(this).hasClass('NIC')==true){$(this).parents(".post").find(".post-author .pa-author a").html(S);}
/*[STA]*/ if($(this).hasClass('STA')==true){$(this).parents(".post").find(".post-author .pa-title").html(S);}
/*[AVA]*/ if($(this).hasClass('AVA')==true){var AVA=$(this).parents(".post").find(".post-author .pa-avatar")
	  if(AVA.html()!=null){AVA.html(Avt_St+S+Avt_End)}else $(this).parents(".post").find(".post-author .pa-title").after(pa_avtr+Avt_St+S+Avt_End+'</li>');}
/*[SGN]*/ if($(this).hasClass('SGN')==true){$(this).parents(".post").find(".post-content .post-sig").replaceWith("");
	  $(this).parents(".post").find(".post-content").append(PostSig_St+S+PostSig_End);}
});
</script>