<script>
function HideInfo(id,but){
if(but.value=="+"){
  but.value = "-";document.getElementById(id).style.display = ""}
else{
  but.value = "+";document.getElementById(id).style.display = "none"}
  return false}

d = document.getElementsByTagName("div")

for (i=0;d[i]; i++){
if (d[i].className.indexOf("post-author")!=-1){t = d[i].innerHTML
   if((j = t.toLowerCase().indexOf("<li class=pa-from>"))!=-1 || (j = 

t.toLowerCase().indexOf("<li class=\"pa-from\">"))!=-1 || (j = t.toLowerCase().indexOf("<li 

class=pa-reg>"))!=-1 || (j = t.toLowerCase().indexOf("<li class=\"pa-reg\">"))!=-1)
    d[i].innerHTML = t.substring(0,j)+"<input type='Submit' onClick=\"return 

HideInfo('info"+i+"',this)\" value='+'><br><div id='info"+i+"' 

style='display:none'>"+t.substring(j,t.length)+"</div>"}}
</script>

    <script type="text/javascript">
        PiarNik="Пиар";
        PiarPas="1111";

        var L="<div id=\"PR_loginDiv\" style=\"display:none;\">\
        <form id=\"form_login\" name=\"login\" method=\"post\" action=\"login.php?action=in\" onsubmit=\"return check_form()\">\
        <fieldset>\
        <input type=\"hidden\" name=\"form_sent\" value=\"1\"/>\
        <input type=\"text\" id=\"fld1\" name=\"req_username\" size=\"21\" maxlength=\"25\"/>\
        <input type=\"text\" id=\"fld2\" name=\"req_password\" size=\"7\" maxlength=\"16\"/>\
        <input type=\"submit\" class=\"button\" name=\"login\"/>\
        </fieldset>\
        </form>\
        </div>\
        <li id=\"navpiar\"><span id=spMyimg><a onclick=\"PiarIn()\">Пиар-Вход</a></span></li>";
        if($("#navlogin").html()!=null){

        $("#navlogin").after(L) //navlogin
        $("#PR_loginDiv #fld1").val(PiarNik)
        $("#PR_loginDiv #fld2").val(PiarPas)
        function PiarIn () {$("#PR_loginDiv input[type='submit']").click();}
        }
        </script>