diff --git a/app/views/account/_signup_form.rhtml b/app/views/account/_signup_form.rhtml
index 9a91453..bd522c8 100644
--- a/app/views/account/_signup_form.rhtml
+++ b/app/views/account/_signup_form.rhtml
@@ -7,6 +7,8 @@
 
 <% @profile_data = @person %>
 
+<%= javascript_include_tag('sign_up_password_rate') %>
+
 <%= error_messages_for :user, :person, :header_message => _('The account could not be created') %>
 
 <% labelled_form_for :user, @user, :html => { :multipart => true, :id => 'signup-form', :honeypot => true } do |f| %>
@@ -52,7 +54,20 @@
   <div id='signup-password'>
     <%= required f.password_field(:password, :id => 'user_pw') %>
     <%= content_tag(:small,_('Choose a password that you can remember easily. It must have at least 4 characters.'), :id => 'password-balloon') %>
-    <div id='fake-check'><p>&nbsp;</p></div>
+    <div id='password-rate'>
+      <p><span class="invalid hidden" style="color:red" id='result-short'>
+        <%=_('Short') %>
+      </span></p>
+      <p><span class="invalid hidden" style="color:brown" id='result-bad'>
+        <%=_('Bad') %>
+      </span></p>
+      <p><span class="invalid hidden" style="color:green" id='result-good'>
+        <%=_('Good') %>
+      </span></p>
+      <p><span class="invalid hidden" style="color:limegreen" id='result-strong'>
+        <%=_('Strong') %>
+      </span></p>
+    </div>
   </div>
 
   <div id='signup-password-confirmation'>
@@ -182,4 +197,5 @@ jQuery(function($) {
     else $(this).addClass('validated');
   });
 });
+
 </script>
diff --git a/public/javascripts/sign_up_password_rate.js b/public/javascripts/sign_up_password_rate.js
new file mode 100644
index 0000000..fba6204
--- /dev/null
+++ b/public/javascripts/sign_up_password_rate.js
@@ -0,0 +1,113 @@
+// This jQuery plugin is written by firas kassem [2007.04.05] and was modified to fit noosfero
+// Firas Kassem  phiras.wordpress.com || phiras at gmail {dot} com
+// for more information : http://phiras.wordpress.com/2007/04/08/password-strength-meter-a-jquery-plugin/
+
+var shortPass   = 0
+var badPass     = 1
+var goodPass    = 2
+var strongPass  = 3
+
+
+function passwordStrength(password,username)
+{
+  score = 0
+
+  //password < 4
+  if (password.length < 4 ) { return shortPass }
+
+  //password == username
+  if (password.toLowerCase()==username.toLowerCase()) badPass
+
+  //password length
+  score += password.length * 4
+  score += ( checkRepetition(1,password).length - password.length ) * 1
+  score += ( checkRepetition(2,password).length - password.length ) * 1
+  score += ( checkRepetition(3,password).length - password.length ) * 1
+  score += ( checkRepetition(4,password).length - password.length ) * 1
+
+  //password has 3 numbers
+  if (password.match(/(.*[0-9].*[0-9].*[0-9])/))  score += 5
+
+  //password has 2 sybols
+  if (password.match(/(.*[!,@,#,$,%,^,&,*,?,_,~].*[!,@,#,$,%,^,&,*,?,_,~])/)) score += 5
+
+  //password has Upper and Lower chars
+  if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/))  score += 10
+
+  //password has number and chars
+  if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/))  score += 15
+  //
+  //password has number and symbol
+  if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([0-9])/))  score += 15
+
+  //password has char and symbol
+  if (password.match(/([!,@,#,$,%,^,&,*,?,_,~])/) && password.match(/([a-zA-Z])/))  score += 15
+
+  //password is just a nubers or chars
+  if (password.match(/^\w+$/) || password.match(/^\d+$/) )  score -= 10
+
+  //verifing 0 < score < 100
+  if ( score < 0 )  score = 0
+  if ( score > 100 )  score = 100
+
+  if (score < 34 )  return badPass
+  if (score < 68 )  return goodPass
+  return strongPass
+}
+
+function checkRepetition(pLen,str)
+{
+  res = ""
+  for ( i=0; i<str.length ; i++ )
+  {
+      repeated=true
+      for (j=0;j < pLen && (j+i+pLen) < str.length;j++)
+          repeated=repeated && (str.charAt(j+i)==str.charAt(j+i+pLen))
+      if (j<pLen) repeated=false
+      if (repeated)
+      {
+          i+=pLen-1
+          repeated=false
+      }
+      else
+      {
+          res+=str.charAt(i)
+      }
+  }
+  return res
+}
+
+jQuery(document).ready(function() {
+    jQuery('#user_pw').keyup(function()
+    {
+      var result = passwordStrength(jQuery('#user_pw').val(),jQuery('#user_login').val())
+      if(result == shortPass)
+      {
+        showRateField('#result-short')
+      } else
+      if( result == badPass )
+      {
+        showRateField('#result-bad')
+      } else
+      if( result == goodPass )
+      {
+        showRateField('#result-good')
+      } else
+      if( result == strongPass )
+      {
+        showRateField('#result-strong')
+      }
+
+    })
+})
+
+function showRateField(validation)
+{
+  jQuery('#result-short').addClass('hidden')
+  jQuery('#result-bad').addClass('hidden')
+  jQuery('#result-good').addClass('hidden')
+  jQuery('#result-strong').addClass('hidden')
+
+  jQuery(validation).removeClass('hidden')
+
+}
\ No newline at end of file
diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 8cdcce2..9fe3a29 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -5989,6 +5989,7 @@ li.profile-activity-item.upload_image .activity-gallery-images-count-1 img {
 
 #email-check,
 #fake-check,
+#password-rate,
 #password-check {
   margin: -2px 16px -5px 13px;
   text-align: right;
@@ -5997,10 +5998,20 @@ li.profile-activity-item.upload_image .activity-gallery-images-count-1 img {
 
 #email-check p,
 #fake-check p,
+#password-rate p,
 #password-check p {
   margin: 0;
 }
 
+#password-rate {
+  font-weight:bold;
+}
+
+.hidden {
+  visibility: hidden;
+  display: none;
+}
+
 .available {
   color: #88BD00;
 }
@@ -6014,6 +6025,7 @@ li.profile-activity-item.upload_image .activity-gallery-images-count-1 img {
 }
 
 #email-check p,
+#password-rate p,
 #password-check p,
 #url-check p {
   margin: 0;
--
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