function vtr_select_menu(menu_name) {
  document.forms[0].elements[menu_name].value='selected';
  document.forms[0].submit();
  return false;
}

function vtr_select_tab(tab_name) {
  return vtr_select_menu(tab_name);
}

function vtr_change_dropdown(drop_down_name) {
  if (document.forms.length > 0) {
    document.forms[0].elements[drop_down_name.concat('-ss')].value='true';
    document.forms[0].submit();
  }
  return false;
}

function vtr_focus_first_input() {
   if (document.forms.length > 0) {
      var currForm = document.forms[0];
      for (i=0; i < currForm.length; i++) {
         var currElem = currForm.elements[i];
         var currElemType = currElem.type;
         if ((currElemType=="text")||
           (currElemType=="textarea")||
           (currElemType=="password")||
           (currElemType.toString().charAt(0)=="s")) {
            if (currElem.value == "") {
               currElem.focus();
               break;
            }
         }
      }
   }
}