function checkSubmit()
{
if ((document.UserLogin.UserID.value)=='')
{
  alert ('Please Input Your UserID');
   UserLogin.UserID.focus();
return false;
}
if ((document.UserLogin.UserPws.value)=='')
{
  alert ('Please Input Your Password');
   UserLogin.UserPws.focus();
return false;
}
 else
 return true
 }