function showUp(id, fls, tre){
 if (document.getElementById(id+'_link').innerHTML==tre){
  document.getElementById(id+'_link').innerHTML=fls;
  document.getElementById(id).style.display='block';
}else{
  document.getElementById(id+'_link').innerHTML=tre;
  document.getElementById(id).style.display='none';
 }
}
function showUp2(id,id2, fls, tre){
 if (document.getElementById(id+'_link').innerHTML==tre){
  document.getElementById(id+'_link').innerHTML=fls;
  document.getElementById(id).style.display='block';
  document.getElementById(id2).style.display='none';
}else{
  document.getElementById(id+'_link').innerHTML=tre;
  document.getElementById(id).style.display='none';
  document.getElementById(id2).style.display='block';
 }
}

function getSelectedRadio() {
   // returns the array number of the selected radio button or -1 if no button is selected
        buttonGroup=document.authf.typeA;
   if (buttonGroup[0]) { // if the button group is an array (one button is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            return i
         }
      }//
   } else {
      if (buttonGroup.checked) { return 0; } // if the one button is checked, return zero
   }
   // if we get to this point, no radio button is selected
   return -1;
} // Ends the "getSelectedRadio" function