function HideTextField(boxid,arrowid)
{
  document.getElementById(boxid).style.display='none';
}

function ShowTextField(boxid,arrowid)
{
  if(document.getElementById(boxid).style.display == 'none')
  {
      $("#"+boxid).show('normal');
      document.getElementById(arrowid).style.backgroundImage='url(/images/closebox_arrow_open.gif)';

  }
  else
  {
     $("#"+boxid).hide('normal');
     document.getElementById(arrowid).style.backgroundImage='url(/images/closebox_arrow_close.gif)';
  }
}