diff --git a/README.md b/README.md
index eb1268d..22e8a07 100644
--- a/README.md
+++ b/README.md
@@ -32,9 +32,11 @@ To activate Web Shell Detector:
 
     Example: http://www.website.com/shelldetect.php
 
-3) Inspect all strange files, if some of files look suspicious, send them to http://www.shelldetector.com team. After submitting your file, it will be inspected and if there are any threats, it will be inserted into a “web shell detector” web shells signature database.
+3) Enter authentication information if needed (default user is "admin" with password "protect")
 
-4) If any web shells found and identified use your ftp/ssh client to remove it from your web server (IMPORTANT: please be carefull because some of shells may be integrated into system files!).
+4) Inspect all strange files, if some of files look suspicious, send them to http://www.shelldetector.com team. After submitting your file, it will be inspected and if there are any threats, it will be inserted into a “web shell detector” web shells signature database.
+
+5) If any web shells found and identified use your ftp/ssh client to remove it from your web server (IMPORTANT: please be carefull because some of shells may be integrated into system files!).
 
 Demo
 ----
@@ -87,4 +89,4 @@ Changelog
  - 1.1 fingerprint function change
        show line regex changed
 
- - 1.0 first version
\ No newline at end of file
+ - 1.0 first version
diff --git a/shelldetect.php b/shelldetect.php
index 8fb3e1f..226b3d0 100644
--- a/shelldetect.php
+++ b/shelldetect.php
@@ -395,7 +395,7 @@ private function anaylize() {
   private function fileprepare($file, $base64_content) {
     $filtered_file = filter_var($file, FILTER_SANITIZE_SPECIAL_CHARS);
     $key = $this->t('Negative') . ' <small class="source_submit_parent">(' . $this->t('if wrong') . ' <a href="#" id="m_' . md5($file) . '" class="source_submit">' . $this->t('submit file for analize') . '</a>)</small>';
-    $key .= '<div id="wrapform_' . md5($file) . '" class="hidden"><iframe border="0" scrolling="no" class="hidden" id="iform_' . md5($file) . '" name="iform_' . md5($file) . '" src="http://www.shelldetector.com/api/loader.html" />"></iframe>';
+    $key .= '<div id="wrapform_' . md5($file) . '" class="hidden"><iframe border="0" scrolling="no" class="hidden" id="iform_' . md5($file) . '" name="iform_' . md5($file) . '" src="about:blank" />"></iframe>';
     if ($this->submitfile == 0) {
       $key .= '<form id="form_' . md5($file) . '" target="iform_' . md5($file) . '" action="http://www.shelldetector.com/api/?task=submit&ver=2" method="post">';
     } else {
@@ -576,7 +576,7 @@ private function footer() {
   private function header() {
     $style = '<style type="text/css" media="all">body{background-color:#ccc;font:13px tahoma,arial;color:#151515;direction:ltr}h1{text-align:center;font-size:24px}dl{margin:0;padding:0}#content{width:1024px;margin:0 auto;padding:35px 40px;border:1px solid #e8e8e8;background:#fff;overflow:hidden;-webkit-border-radius:7px;-moz-border-radius:7px;border-radius:7px}dl dt{cursor:pointer;background:#5f9be3;color:#fff;float:left;font-weight:700;margin-right:10px;width:99%;position:relative;padding:5px}dl dt .plus{position:absolute;right:4px}dl dd{margin:2px 0;padding:5px 0}dl dd dl{margin-top:24px;margin-left:60px}dl dd dl dt{background:#4fcba3!important;width:180px!important}.error{background-color:#ffebe8;border:1px solid #dd3c10;padding:4px 10px;margin:5px 0}.success{background-color:#fff;border:1px solid #bdc7d8;padding:4px 10px;margin:5px 0}.info{background-color:#fff9d7;border:1px solid #e2c822;padding:4px 10px;margin:5px 0}.clearer{clear:both;height:0;font-size:0}.hidden{display:none}.green{font-weight:700;color:#92b901}.red{font-weight:700;color:#dd3c10}.orange{font-weight:700;color:#ff7f00}.green small{font-weight:400!important;color:#151515!important}.filesfound {position: relative}.files {position: absolute;left:4px;background-color:#FFF9D7}iframe{border:0px;height:80px;width:100%}.small{font-size: 10px;font-weight:normal;}.ui-widget-content dl dd dl {margin-left: 0px !important;}.ui-widget-content input {width: 310px;margin-top: 4px;}.submit_email {width: 190px !important;}.submit_email_field{float: left; width: 100px !important;}#loader{position:fixed;top:25%;bottom:0;left:45%;z-index:99;display:block;text-align:center;width:100%;padding-top:125px;text-align:left;font-weight:700;text-transform:uppercase;text-indent:-20px;font-size:24px;color:#5f9be3}#circularG{position:relative;width:128px;height:128px}.circularG{position:absolute;background-color:#5f9be3;width:29px;height:29px;-webkit-border-radius:19px;-moz-border-radius:19px;-webkit-animation-name:bounce_circularg;-webkit-animation-duration:1.04s;-webkit-animation-iteration-count:infinite;-webkit-animation-direction:linear;-moz-animation-name:bounce_circularg;-moz-animation-duration:1.04s;-moz-animation-iteration-count:infinite;-moz-animation-direction:linear;border-radius:19px;-o-animation-name:bounce_circularg;-o-animation-duration:1.04s;-o-animation-iteration-count:infinite;-o-animation-direction:linear;-ms-animation-name:bounce_circularg;-ms-animation-duration:1.04s;-ms-animation-iteration-count:infinite;-ms-animation-direction:linear}#circularG_1{left:0;top:50px;-webkit-animation-delay:.39s;-moz-animation-delay:.39s;-o-animation-delay:.39s;-ms-animation-delay:.39s}#circularG_2{left:14px;top:14px;-webkit-animation-delay:.52s;-moz-animation-delay:.52s;-o-animation-delay:.52s;-ms-animation-delay:.52s}#circularG_3{top:0;left:50px;-webkit-animation-delay:.65s;-moz-animation-delay:.65s;-o-animation-delay:.65s;-ms-animation-delay:.65s}#circularG_4{right:14px;top:14px;-webkit-animation-delay:.78s;-moz-animation-delay:.78s;-o-animation-delay:.78s;-ms-animation-delay:.78s}#circularG_5{right:0;top:50px;-webkit-animation-delay:.91s;-moz-animation-delay:.91s;-o-animation-delay:.91s;-ms-animation-delay:.91s}#circularG_6{right:14px;bottom:14px;-webkit-animation-delay:1.04s;-moz-animation-delay:1.04s;-o-animation-delay:1.04s;-ms-animation-delay:1.04s}#circularG_7{left:50px;bottom:0;-webkit-animation-delay:1.17s;-moz-animation-delay:1.17s;-o-animation-delay:1.17s;-ms-animation-delay:1.17s}#circularG_8{left:14px;bottom:14px;-webkit-animation-delay:1.3s;-moz-animation-delay:1.3s;-o-animation-delay:1.3s;-ms-animation-delay:1.3s}@-webkit-keyframes bounce_circularg{0%{-webkit-transform:scale(1)}100%{-webkit-transform:scale(.3)}}@-moz-keyframes bounce_circularg{0%{-moz-transform:scale(1)}100%{-moz-transform:scale(.3)}}@-o-keyframes bounce_circularg{0%{-o-transform:scale(1)}100%{-o-transform:scale(.3)}}@-ms-keyframes bounce_circularg{0%{-ms-transform:scale(1)}100%{-ms-transform:scale(.3)}}</style>';
     $script = 'function init(){$("#loader").hide();$("dt").live("click", function(){var text=$(this).children(".plus");if(text.length){$(this).next("dd").slideToggle();if(text.text()=="+"){text.text("-")}else{text.text("+")}}});$(".showline").live("click", function(){var id="li"+$(this).attr("id");$("#"+id).dialog({height:440,modal:true,width:600,title:"Source code"});return false});$(".source_submit").live("click",function(){var id="for"+$(this).attr("id");$("#wrap"+id).dialog({autoOpen:false,height:200,width:550,modal:true,resizable: false,title:"File submission",buttons: {"Submit file to analysis": function() {if ($(".ui-dialog-content form").length) {$("#i"+id).removeClass("hidden");$("#"+id).submit();$(".ui-dialog-content form").remove();} else {alert("This file already submited");}}/*,"Submit file to Virustotal": function () {alert("Not implemented");}*/}});$("#wrap"+id).dialog("open");return false})}$(document).ready(init);';
-    self::output('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="robots" content="noindex"><title>Web Shell Detector</title>' . $style . '<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/themes/base/jquery-ui.css" type="text/css" media="all" /><script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript" charset="utf-8"></script><script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/jquery-ui.js" type="text/javascript" charset="utf-8"></script><script type="text/javascript">' . $script . '</script></head><body><h1>' . $this->_title . ' v' . $this->_version . '<br />(PHP Version: ' . phpversion() .')</h1><div id="loader"><div id="circularG"><div id="circularG_1" class="circularG"></div><div id="circularG_2" class="circularG"></div><div id="circularG_3" class="circularG"></div><div id="circularG_4" class="circularG"></div><div id="circularG_5" class="circularG"></div><div id="circularG_6" class="circularG"></div><div id="circularG_7" class="circularG"></div><div id="circularG_8" class="circularG"></div></div><span class="loader_text"> ' . $this->t('Please wait') . '</span></div></div><div id="content">', null, false);
+    self::output('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="robots" content="noindex"><title>Web Shell Detector</title>' . $style . '<link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/themes/base/jquery-ui.css" type="text/css" media="all" /><script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript" charset="utf-8"></script><script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.21/jquery-ui.js" type="text/javascript" charset="utf-8"></script><script type="text/javascript">' . $script . '</script></head><body><h1>' . $this->_title . ' v' . $this->_version . '<br />(PHP Version: ' . phpversion() .')</h1><div id="loader"><div id="circularG"><div id="circularG_1" class="circularG"></div><div id="circularG_2" class="circularG"></div><div id="circularG_3" class="circularG"></div><div id="circularG_4" class="circularG"></div><div id="circularG_5" class="circularG"></div><div id="circularG_6" class="circularG"></div><div id="circularG_7" class="circularG"></div><div id="circularG_8" class="circularG"></div></div><span class="loader_text"> ' . $this->t('Please wait') . '</span></div></div><div id="content">', null, false);
   }
 
   /**