/** 
  * 
  */ 
function getfirstchar($s0){ 
        if($s0[0]==\'I\' || $s[0]==\'i\'){ 
          return \"I\"; 
        }elseif($s0[0]==\'U\' || $s[0]==\'u\'){ 
          return \'U\'; 
        }elseif($s0[0]==\'V\' || $s[0]==\'v\'){ 
          return \'V\'; 
        }else{ 
  $fchar = ord($s0{0}); 
  if($fchar >= ord(\"A\") and $fchar <= ord(\"z\") )return strtoupper($s0{0}); 
  $s1 = iconv(\"UTF-8\",\"gb2312\", $s0); 
  $s2 = iconv(\"gb2312\",\"UTF-8\", $s1); 
  if($s2 == $s0){$s = $s1;}else{$s = $s0;} 
  $asc = ord($s{0}) * 256 + ord($s{1}) - 65536; 
  if($asc >= -20319 and $asc <= -20284) return \"A\"; 
  if($asc >= -20283 and $asc <= -19776) return \"B\"; 
  if($asc >= -19775 and $asc <= -19219) return \"C\"; 
  if($asc >= -19218 and $asc <= -18711) return \"D\"; 
  if($asc >= -18710 and $asc <= -18527) return \"E\"; 
  if($asc >= -18526 and $asc <= -18240) return \"F\"; 
  if($asc >= -18239 and $asc <= -17923) return \"G\"; 
  if($asc >= -17922 and $asc <= -17418) return \"H\"; 
  if($asc >= -17417 and $asc <= -16475) return \"J\"; 
  if($asc >= -16474 and $asc <= -16213) return \"K\"; 
  if($asc >= -16212 and $asc <= -15641) return \"L\"; 
  if($asc >= -15640 and $asc <= -15166) return \"M\"; 
  if($asc >= -15165 and $asc <= -14923) return \"N\"; 
  if($asc >= -14922 and $asc <= -14915) return \"O\"; 
  if($asc >= -14914 and $asc <= -14631) return \"P\"; 
  if($asc >= -14630 and $asc <= -14150) return \"Q\"; 
  if($asc >= -14149 and $asc <= -14091) return \"R\"; 
  if($asc >= -14090 and $asc <= -13319) return \"S\"; 
  if($asc >= -13318 and $asc <= -12839) return \"T\"; 
  if($asc >= -12838 and $asc <= -12557) return \"W\"; 
  if($asc >= -12556 and $asc <= -11848) return \"X\"; 
  if($asc >= -11847 and $asc <= -11056) return \"Y\"; 
  if($asc >= -11055 and $asc <= -10247) return \"Z\"; 
  return null; 
        } 
  }