function isNull (p_value)
{
  var v_length = p_value.length;
  var v_count  = 0;
  for (var ii  = 0; ii < p_value.length; ii++)
  {  
	  if ( p_value.charAt(ii) == " ")  { v_count = v_count + 1; }
  }
  if (v_count ==  v_length)
       { return false; }
  else { return true;  }
}