function swapForm(v){
  if(document.all){
    OBJ1 = document.all('yes').style;
    OBJ2 = document.all('no').style;
  } else if(document.getElementById){
    OBJ1 = document.getElementById('yes').style;
    OBJ2 = document.getElementById('no').style;
  }
  if(OBJ1&&OBJ2){
    if(v.value != 1){
      OBJ1.display='block';
      OBJ2.display='none';
    }else{
      OBJ1.display='none';
      OBJ2.display='block';
    }
  }
}
function swapTest(){
  if(document.all){
    FORM1 = document.all('existUserRadio');
  } else if(document.getElementById){
    FORM1 = document.getElementById('existUserRadio');
  }
  if(FORM1.checked == true){
    swapForm(FORM1.value);
  }else{
    //
  }
}