/**
 * Copyright 2018 IT Service Omikron.
 *   
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *        http://www.apache.org/licenses/LICENSE-2.0
 *   
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

var submitted = false;
            
function preventDoubleSubmit() {
  if (submitted) {
    return false;
  }
  else{
	  submitted = true;
	  return true;
  }
}