diff --git a/app/views/signup.scala.html b/app/views/signup.scala.html
index 56f2e3d..f1f59e0 100644
--- a/app/views/signup.scala.html
+++ b/app/views/signup.scala.html
@@ -23,7 +23,7 @@
                     <label for="userId" class="col-sm-2 control-label">User ID</label>
                     <div class="col-sm-10">
                         <input type="text" class="form-control" id="userId" name="userId" placeholder="User ID"
-                        required="true"
+                        required
                         value="@form.data().get("userId")"
                         aria-describedby="user-id-feedback-status"/>
                         <span id="user-id-feedback" class="form-control-feedback" aria-hidden="true"></span>
diff --git a/public/javascripts/password.js b/public/javascripts/password.js
index e0db6c5..00ba3df 100644
--- a/public/javascripts/password.js
+++ b/public/javascripts/password.js
@@ -61,6 +61,21 @@ var checkPasswordStrength = function (password, userId, minPasswordLength, maxPa
     return "WEAK_PASSWORD";
 };
 
+var matchPasswords = function () {
+    var passwd = $('#password');
+    var confirmPasswd = $('#confirmPassword');
+    var confirmPasswdControlGroup = $('#confirm-password-control-group');
+    var confirmPasswdFeedback = $('#confirm-password-feedback');
+    if (passwd.val() !== confirmPasswd.val()) {
+        confirmPasswordMatch = false;
+        hasError(confirmPasswdControlGroup, confirmPasswdFeedback);
+    } else {
+        confirmPasswordMatch = true;
+        hasSuccess(confirmPasswdControlGroup, confirmPasswdFeedback);
+    }
+
+};
+
 var registerPasswordStrengthChecker = function () {
     var passwd = $('#password');
     var passwdControlGroup = $('#password-control-group');
@@ -91,22 +106,12 @@ var registerPasswordStrengthChecker = function () {
             hasSuccess(passwdControlGroup, passwordFeedback);
             warnBlock.html('');
         }
+        matchPasswords();
     });
 };
 
 var registerPasswordMatcher = function () {
-    var passwd = $('#password');
     var confirmPasswd = $('#confirmPassword');
-    var confirmPasswdControlGroup = $('#confirm-password-control-group');
-    var confirmPasswdFeedback = $('#confirm-password-feedback');
 
-    confirmPasswd.keyup(function () {
-        if (passwd.val() !== confirmPasswd.val()) {
-            confirmPasswordMatch = false;
-            hasError(confirmPasswdControlGroup, confirmPasswdFeedback);
-        } else {
-            confirmPasswordMatch = true;
-            hasSuccess(confirmPasswdControlGroup, confirmPasswdFeedback);
-        }
-    });
+    confirmPasswd.keyup(matchPasswords);
 };
diff --git a/public/javascripts/signup.js b/public/javascripts/signup.js
index 82147d8..e0c76f8 100644
--- a/public/javascripts/signup.js
+++ b/public/javascripts/signup.js
@@ -149,20 +149,22 @@ var registerUserIDValidation = function () {
 
 var acknowledgeButtonVisibility = function() {
     var acknowledgementCheckBox = $('#acknowledgement');
+    var submitButton = $('#submit');
     if (userIdCorrect && passwordCorrect && validEmailDomain && confirmPasswordMatch && confirmEmailMatch) {
         acknowledgementCheckBox.prop("disabled",false);
+        submitButton.prop("disabled", !acknowledgementCheckBox.prop('checked'));
     }else{
         acknowledgementCheckBox.prop("disabled",true);
+        submitButton.prop("disabled",true);
     }
 };
 
-var triggerAlreadyFilledFields = setTimeout(function() {
+var triggerAlreadyFilledFields = function() {
     $('input').each(function() {
         var elem = $(this);
         if (elem.val()) elem.change();
     })
-}, 250);
-
+};
 
 $(document).ready(function () {
     registerUserIDValidation();
@@ -172,5 +174,5 @@ $(document).ready(function () {
     acknowledgeButtonVisibility();
     registerPasswordMatcher();
     registerPasswordStrengthChecker();
-    triggerAlreadyFilledFields();
+    setTimeout(triggerAlreadyFilledFields, 250);
 });
\ No newline at end of file