function checkVersion() {
  if (navigator.appVersion.charAt(0)>=3) return true; 
  else return false;
}

// bdrhilite (for MSIE only)
function bdrhilite(imgname,state) {
  if (checkVersion()) { switch (state) {
    case 0: { document.images[imgname].style.border = '1px solid rgb(153,153,51)'; break; }
    case 1: { document.images[imgname].style.border = '1px solid rgb(204,204,51)'; break; }
  } }
  return true;
}

// trinity form submission
function trinityFormSubmit(formAction,formValue1,formValue2,formValue3) {
    document.trinityForm.action=formAction;
    document.trinityForm.trinityValue1.value=formValue1;
    document.trinityForm.trinityValue2.value=formValue2;
    document.trinityForm.trinityValue3.value=formValue3;
    document.trinityForm.submit();
}