+
+<script>
+ var $input = $('input:text'),
+ $register = $('#register');
+
+ var email_disabled = document.forms["setup_form"]["email"].disabled;
+ var email_value = document.forms["setup_form"]["email"].value;
+ var prefix_value = document.forms["setup_form"]["openid_prefix"].value;
+ if ((email_disabled == false) && (email_value == null || email_value == "" || prefix_value == null || prefix_value == "")) {
+ $register.attr('disabled', true);
+ }
+
+ $input.keyup(function() {
+ var trigger = false;
+
+ var email_disabled = document.forms["setup_form"]["email"].disabled;
+ var email_value = document.forms["setup_form"]["email"].value;
+ var prefix_value = document.forms["setup_form"]["openid_prefix"].value;
+ if ((email_disabled == false) && (email_value == null || email_value == "" || prefix_value == null || prefix_value == "")) {
+ trigger = true;
+ }
+
+ trigger ? $register.attr('disabled', true) : $register.removeAttr('disabled');
+ });
+</script>