function processLogin() {
      document.all("processing").style.display = "block";
      return true;
   }
  
   function processUpload() {
      document.all("uploading").style.display = "block";
	  return true;
   }
  
   function processRetrieval() {
      document.all("retrieval").style.display = "block";
      return true;
   }

   function processRegistration() {
      document.all("register").style.display = "block";
      return true;
   }

   function processUpdateProfile() {
      document.all("update").style.display = "block";
      return true;
   }
   
   function processGenerateStats() {
      document.all("generating").style.display = "block";
      return true;
   }

   function processGenerateStats2() {
      document.all("generating").style.display = "block";
      return true;
   }