function checkingAll(object) 
{
  var somethingChecked = false;
  for (var i=1; i<object.length; i++)
  { 
    if (object[i].checked) 
    { 
      document.forms['uasearch'].campus[0].checked=false;
      somethingChecked = true;
      break;
    }
  }

  if (somethingChecked === false)
  {
    document.forms['uasearch'].campus[0].checked=true;
  }
}