doSubmit_orign = doSubmit;

doSubmit = function(pva_reqt) {
  vva_mesg = '<img class="soums_page_indic_charg" src="/res/sie/images/indic_charg.gif" />';
  doSubmit_orign(pva_reqt);
  $.prompt(vva_mesg, { prefix: 'siesoums' });
}