added generic error message handler

Author: jricher

openid-connect-server-webapp/src/main/webapp/resources/js/admin.js

@@ -406,6 +406,19 @@ var ErrorHandlerView = Backbone.View.extend({
 'show': true
 });
 }
+}, 
+
+showErrorMessage:function(header, message) {
+$('#modalAlert').i18n();
+$('#modalAlert div.modal-header').html(header);
+$('#modalAlert .modal-body').html(message);
+
+$('#modalAlert').modal({
+'backdrop': 'static',
+'keyboard': true,
+'show': true
+});
+
 }
 });