var romaji;
var hiragana;
var katakana;

var currChar;

function start()
{
  currChar = romaji.charAt(0);
}

function advance()
{
  romaji = romaji.substr(1, romaji.length);
  currChar = romaji.charAt(0);
}

// for each Romaji<letter> function, assume the letter in question
// is still in the "romaji" string, since it was needed to choose
// which function to call.

function longACheck()
{
  if (currChar == 'a')
  {
    hiragana += "\u3042";
    katakana += "\u30FC";
    advance();
  }
}

function longECheck()
{
  if (currChar == 'e')
  {
    hiragana += "\u3048";
    katakana += "\u30FC";
    advance();
  }
}

function longICheck()
{
  if (currChar == 'i')
  {
    hiragana += "\u3044";
    katakana += "\u30FC";
    advance();
  }
}

function longOCheck()
{
  if (currChar == 'o')
  {
    hiragana += "\u304A";
    katakana += "\u30FC";
    advance();
  }
}

function longUCheck()
{
  if (currChar == 'u')
  {
    hiragana += "\u3046";
    katakana += "\u30FC";
    advance();
  }
}

// Handles various beginnings that expect a small "ya", "yu", "yo" type kana
// assumes the correct kana to go before this has already been added
// such as for "gya", "hyo", etc.
function forcedY()
{
  if (currChar == 'a')
  {
    hiragana += "\u3083";
    katakana += "\u30E3";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3047";
    katakana += "\u30A7";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3043";
    katakana += "\u30A3";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3087";
    katakana += "\u30E7";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3085";
    katakana += "\u30E5";
    advance();
    longUCheck();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3083\u3042";
    katakana += "\u30E3\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3047\u3048";
    katakana += "\u30A7\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3043\u3044";
    katakana += "\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3087\u3046";
    katakana += "\u30E7\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3085\u3046";
    katakana += "\u30E5\u30FC";
    advance();
  }
}

// Expect a small "ya", "yu", or "yo" kana, but leave it alone for an i
// such as for "chi", "ji", etc.
function partialForcedY()
{
  if (currChar == 'i')
  {
    advance();
    longICheck();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3044";
    katakana += "\u30FC";
    advance();
  }
  else
  {
    forcedY();
  }
}

// adds small vowel or semivowel kana after a kana that has been dealt with
// such as for fa, ve, t'i etc.
function forcedVowel()
{
  if (currChar == 'a')
  {
    hiragana += "\u3041";
    katakana += "\u30A1";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3047";
    katakana += "\u30A7";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3043";
    katakana += "\u30A3";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3049";
    katakana += "\u30A9";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3045";
    katakana += "\u30A5";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3041\u3042";
    katakana += "\u30A1\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3047\u3048";
    katakana += "\u30A7\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3043\u3044";
    katakana += "\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3049\u3046";
    katakana += "\u30A9\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3045\u3046";
    katakana += "\u30A5\u30FC";
    advance();
  }
}

function romajiA()
{
  advance();
  hiragana += "\u3042";
  katakana += "\u30A2";
  longACheck();
}

function romajiB()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u3070";
    katakana += "\u30D0";
    advance();
    longACheck();
  }
  else if (currChar == 'b')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiB();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3079";
    katakana += "\u30D9";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3073";
    katakana += "\u30D3";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u307C";
    katakana += "\u30DC";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3076";
    katakana += "\u30D6";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3073";
    katakana += "\u30D3";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3070\u3042";
    katakana += "\u30D0\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3079\u3048";
    katakana += "\u30D9\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3073\u3044";
    katakana += "\u30D3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u307C\u3046";
    katakana += "\u30DC\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3076\u3046";
    katakana += "\u30D6\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3076";
    katakana += "\u30D6";
  }
}

function romajiC()
{
  advance();
  if (currChar == 'c')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiC();
  }
  else if (currChar == 'h')
  {
    hiragana += "\u3061";
    katakana += "\u30C1";
    advance();
    partialForcedY();
  }
  else if (currChar == 'k')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiK();
  }
  else
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
  }
}

function romajiD()
{
  advance();
  if (currChar == '\'')
  {
    advance();
    romajiDapos();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u3060";
    katakana += "\u30C0";
    advance();
    longACheck();
  }
  else if (currChar == 'd')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiD();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3067";
    katakana += "\u30C7";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3067\u3043";
    katakana += "\u30C7\u30A3";
    advance();
    longICheck();
  }
  else if (currChar == 'j')
  {
    hiragana += "\u3062";
    katakana += "\u30C2";
    advance();
    partialForcedY();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3069";
    katakana += "\u30C9";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3069\u3045";
    katakana += "\u30C9\u30A5";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3067";
    katakana += "\u30C7";
    advance();
    forcedY();
  }
  else if (currChar == 'z')
  {
    advance();
    romajiDZ();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3060\u3042";
    katakana += "\u30C0\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3067\u3048";
    katakana += "\u30C7\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3067\u3043\u3044";
    katakana += "\u30C7\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3069\u3046";
    katakana += "\u30C9\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3069\u3045\u3046";
    katakana += "\u30C9\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3069";
    katakana += "\u30C9";
  }
}

function romajiDapos()
{
  if (currChar == 'u')
  {
    hiragana += "\u3069\u3045";
    katakana += "\u30C9\u30A5";
    advance();
    longUCheck();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3069\u3045\u3046";
    katakana += "\u30C9\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3067";
    katakana += "\u30C7";
    forcedVowel();
  }
}

function romajiDZ()
{
  if (currChar == 'i')
  {
    hiragana += "\u3062";
    katakana += "\u30C2";
    advance();
    longICheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3065";
    katakana += "\u30C5";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3062";
    katakana += "\u30C2";
    advance();
    forcedY();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3062\u3044";
    katakana += "\u30C2\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3065\u3046";
    katakana += "\u30C5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3062";
    katakana += "\u30C2";
    forcedY();
  }
}

function romajiE()
{
  advance();
  hiragana += "\u3048";
  katakana += "\u30A8";
  longECheck();
}

function romajiF()
{
  advance();
  if (currChar == 'f')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiF();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3075";
    katakana += "\u30D5";
    advance();
    longUCheck();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3075\u3046";
    katakana += "\u30D5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3075";
    katakana += "\u30D5";
    forcedVowel();
  }
}

function romajiG()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u304C";
    katakana += "\u30AC";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3052";
    katakana += "\u30B2";
    advance();
    longECheck();
  }
  else if (currChar == 'g')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiG();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u304E";
    katakana += "\u30AE";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3054";
    katakana += "\u30B4";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3050";
    katakana += "\u30B0";
    advance();
    longUCheck();
  }
  else if (currChar == 'w')
  {
    hiragana += "\u3050";
    katakana += "\u30B0";
    advance();
    forcedVowel();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u304E";
    katakana += "\u30AE";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u304C\u3042";
    katakana += "\u30AC\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3052\u3048";
    katakana += "\u30B2\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u304E\u3044";
    katakana += "\u30AE\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3054\u3046";
    katakana += "\u30B4\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3050\u3046";
    katakana += "\u30B0\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3050";
    katakana += "\u30B0";
  }
}

function romajiH()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u306F";
    katakana += "\u30CF";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3078";
    katakana += "\u30D8";
    advance();
    longECheck();
  }
  else if (currChar == 'h')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiH();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3072";
    katakana += "\u30D2";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u307B";
    katakana += "\u30DB";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3075";
    katakana += "\u30D5";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3072";
    katakana += "\u30D2";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u306F\u3042";
    katakana += "\u30CF\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3078\u3048";
    katakana += "\u30D8\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3072\u3044";
    katakana += "\u30D2\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u307B\u3046";
    katakana += "\u30DB\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3075\u3046";
    katakana += "\u30D5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3075";
    katakana += "\u30D5";
  }
}

function romajiI()
{
  advance();
  hiragana += "\u3044";
  katakana += "\u30A4";
  longICheck();
}

function romajiJ()
{
  advance();
  if (currChar == 'j')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiJ();
  }
  else
  {
    hiragana += "\u3058";
    katakana += "\u30B8";
    partialForcedY();
  }
}

function romajiK()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u304B";
    katakana += "\u30AB";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3051";
    katakana += "\u30B1";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u304D";
    katakana += "\u30AD";
    advance();
    longICheck();
  }
  else if (currChar == 'k')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiK();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3053";
    katakana += "\u30B3";
    advance();
    longOCheck();
  }
  else if (currChar == 'q')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiQ();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
    advance();
    longUCheck();
  }
  else if (currChar == 'w')
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
    advance();
    forcedVowel();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u304D";
    katakana += "\u30AD";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u304D\u3042";
    katakana += "\u30AD\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3051\u3048";
    katakana += "\u30B1\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u304D\u3044";
    katakana += "\u30AD\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3053\u3046";
    katakana += "\u30B3\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u304F\u3046";
    katakana += "\u30AF\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
  }
}

function romajiL()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u3089";
    katakana += "\u30E9";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u308C";
    katakana += "\u30EC";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u308A";
    katakana += "\u30EA";
    advance();
    longICheck();
  }
  else if (currChar == 'l')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiL();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u308D";
    katakana += "\u30ED";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u308B";
    katakana += "\u30EB";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u308A";
    katakana += "\u30EA";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3089\u3042";
    katakana += "\u30E9\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u308C\u3048";
    katakana += "\u30EC\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u308A\u3044";
    katakana += "\u30EA\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u308D\u3046";
    katakana += "\u30ED\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u308B\u3046";
    katakana += "\u30EB\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u308B";
    katakana += "\u30EB";
  }
}

function romajiM()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u307E";
    katakana += "\u30DE";
    advance();
    longACheck();
  }
  else if (currChar == 'b')
  {
    hiragana += "\u3093";
    katakana += "\u30F3";
    romajiB();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3081";
    katakana += "\u30E1";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u307F";
    katakana += "\u30DF";
    advance();
    longICheck();
  }
  else if (currChar == 'm')
  {
    hiragana += "\u3093";
    katakana += "\u30F3";
    romajiM();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3082";
    katakana += "\u30E2";
    advance();
    longOCheck();
  }
  else if (currChar == 'p')
  {
    hiragana += "\u3093";
    katakana += "\u30F3";
    romajiP();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3080";
    katakana += "\u30E0";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u307F";
    katakana += "\u30DF";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u307E\u3042";
    katakana += "\u30DE\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3081\u3048";
    katakana += "\u30E1\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u307F\u3044";
    katakana += "\u30DF\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3082\u3046";
    katakana += "\u30E2\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3080\u3046";
    katakana += "\u30E0\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u307F";
    katakana += "\u30DF";
  }
}

function romajiN()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u3093";
    katakana += "\u30F3";
    advance();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u306A";
    katakana += "\u30CA";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u306D";
    katakana += "\u30CD";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u306B";
    katakana += "\u30CB";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u306E";
    katakana += "\u30CE";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u306C";
    katakana += "\u30CC";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u306B";
    katakana += "\u30CB";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u306A\u3042";
    katakana += "\u30CA\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u306D\u3048";
    katakana += "\u30CD\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u306B\u3044";
    katakana += "\u30CB\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u306E\u3046";
    katakana += "\u30CE\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u306C\u3046";
    katakana += "\u30CC\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3093";
    katakana += "\u30F3";
  }
}

function romajiO()
{
  advance();
  hiragana += "\u304A";
  katakana += "\u30AA";
  longOCheck();
}

function romajiP()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u3071";
    katakana += "\u30D1";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u307A";
    katakana += "\u30DA";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3074";
    katakana += "\u30D4";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u307D";
    katakana += "\u30DD";
    advance();
    longOCheck();
  }
  else if (currChar == 'p')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiP();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3077";
    katakana += "\u30D7";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3074";
    katakana += "\u30D4";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3071\u3042";
    katakana += "\u30D1\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u307A\u3048";
    katakana += "\u30DA\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3074\u3044";
    katakana += "\u30D4\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u307D\u3046";
    katakana += "\u30DD\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3077\u3046";
    katakana += "\u30D7\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3077";
    katakana += "\u30D7";
  }
}

function romajiQ()
{
  advance();
  if (currChar == 'q')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiQ();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
    advance();
    forcedVowel();
  }
  else
  {
    hiragana += "\u304F";
    katakana += "\u30AF";
  }
}

function romajiR()
{
  advance();
  if (currChar == 'a')
  {
    hiragana += "\u3089";
    katakana += "\u30E9";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u308C";
    katakana += "\u30EC";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u308A";
    katakana += "\u30EA";
    advance();
    longICheck();
  }
  else if (currChar == 'l')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiL();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u308D";
    katakana += "\u30ED";
    advance();
    longOCheck();
  }
  else if (currChar == 'r')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiR();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u308B";
    katakana += "\u30EB";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u308A";
    katakana += "\u30EA";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3089\u3042";
    katakana += "\u30E9\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u308C\u3048";
    katakana += "\u30EC\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u308A\u3044";
    katakana += "\u30EA\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u308D\u3046";
    katakana += "\u30ED\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u308B\u3046";
    katakana += "\u30EB\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u308B";
    katakana += "\u30EB";
  }
}

function romajiS()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u3059";
    katakana += "\u30B9";
    advance();
    forcedVowel();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u3055";
    katakana += "\u30B5";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u305B";
    katakana += "\u30BB";
    advance();
    longECheck();
  }
  else if (currChar == 'h')
  {
    hiragana += "\u3057";
    katakana += "\u30B7";
    advance();
    partialForcedY();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3057";
    katakana += "\u30B7";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u305D";
    katakana += "\u30BD";
    advance();
    longOCheck();
  }
  else if (currChar == 's')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiS();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3059";
    katakana += "\u30B9";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3057";
    katakana += "\u30B7";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3055\u3042";
    katakana += "\u30B5\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u305B\u3048";
    katakana += "\u30BB\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3057\u3044";
    katakana += "\u30B7\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u305D\u3046";
    katakana += "\u30BD\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3059\u3046";
    katakana += "\u30B9\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3059";
    katakana += "\u30B9";
  }
}

function romajiT()
{
  advance();
  if (currChar == '\'')
  {
    advance();
    romajiTapos();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u305F";
    katakana += "\u30BF";
    advance();
    longACheck();
  }
  else if (currChar == 'c')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiC();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3066";
    katakana += "\u30C6";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3061";
    katakana += "\u30C1";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3068";
    katakana += "\u30C8";
    advance();
    longOCheck();
  }
  else if (currChar == 's')
  {
    hiragana += "\u3064";
    katakana += "\u30C4";
    advance();
    romajiTS();
  }
  else if (currChar == 't')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiT();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3064";
    katakana += "\u30C4";
    advance();
    longUCheck();
  }
  else if (currChar == 'w')
  {
    hiragana += "\u3064";
    katakana += "\u30C4";
    advance();
    forcedVowel();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3061";
    katakana += "\u30C1";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u305F\u3042";
    katakana += "\u30BF\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3066\u3048";
    katakana += "\u30C6\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3061\u3043\u3044";
    katakana += "\u30C1\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3068\u3046";
    katakana += "\u30C8\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3064\u3046";
    katakana += "\u30C4\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3068";
    katakana += "\u30C8";
  }
}

function romajiTapos()
{
  if (currChar == 'u')
  {
    hiragana += "\u3068\u3045";
    katakana += "\u30C8\u30A5";
    advance();
    longUCheck();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3068\u3045\u3046";
    katakana += "\u30C8\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3066";
    katakana += "\u30C6";
    forcedVowel();
  }
}

function romajiTS()
{
  if (currChar == 'u')
  {
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    advance();
    forcedY();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3046";
    katakana += "\u30FC";
    advance();
  }
  else
  {
    forcedVowel();
  }
}

function romajiU()
{
  advance();
  hiragana += "\u3046";
  katakana += "\u30A6";
  longUCheck();
}

function romajiV()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u3094";
    katakana += "\u30F4";
    advance();
    forcedVowel();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3094";
    katakana += "\u30F4";
    longUCheck();
  }
  else if (currChar == 'v')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiV();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3094";
    katakana += "\u30F4";
    advance();
    forcedY();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3094\u3046";
    katakana += "\u30F4\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3094";
    katakana += "\u30F4";
    forcedVowel();
  }
}

function romajiW()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u3046";
    katakana += "\u30A6";
    advance();
    forcedVowel();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u308F";
    katakana += "\u30EF";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3091";
    katakana += "\u30F1";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3090";
    katakana += "\u30F0";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3092";
    katakana += "\u30F2";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3046\u3045";
    katakana += "\u30A6\u30A5";
    advance();
    longUCheck();
  }
  else if (currChar == 'w')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiW();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3046";
    katakana += "\u30A6";
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u308F\u3042";
    katakana += "\u30EF\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3091\u3048";
    katakana += "\u30F1\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3090\u3043\u3044";
    katakana += "\u30F0\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3092\u3046";
    katakana += "\u30F2\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3046\u3045\u3046";
    katakana += "\u30A6\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3046";
    katakana += "\u30A6";
  }
}

function romajiX()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u304D";
    katakana += "\u30AD";
    // let "x'" act like "kis"
    romajiS();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u3041";
    katakana += "\u30A1";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3047";
    katakana += "\u30A7";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3043";
    katakana += "\u30A3";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3049";
    katakana += "\u30A9";
    advance();
    longOCheck();
  }
  else if (currChar == 't')
  {
    // do some special-case lookaheads instead of using separate functions here
    if (romaji[1] == 'u') 
    {
      advance();
      advance();
      hiragana += "\u3063";
      katakana += "\u30C3";
    }
    else if (romaji[1] == 's' && romaji[2] == 'u')
    {
      advance();
      advance();
      advance();
      hiragana += "\u3063";
      katakana += "\u30C3";
    }
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3045";
    katakana += "\u30A5";
    advance();
    longUCheck();
  }
  else if (currChar == 'w')
  {
    // do some special-case lookaheads instead of using separate functions here
    if (romaji[1] == 'a')
    {
      advance();
      advance();
      hiragana += "\u308E";
      katakana += "\u30EE";
    }
  }
  else if (currChar == 'y')
  {
    advance();
    forcedY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3041\u3042";
    katakana += "\u30A1\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3047\u3048";
    katakana += "\u30A7\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3043\u3044";
    katakana += "\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3049\u3046";
    katakana += "\u30A9\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3045\u3046";
    katakana += "\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u304D\u3059";
    katakana += "\u30AD\u30B9";
  }
}

function romajiY()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u3044";
    katakana += "\u30A4";
    advance();
    forcedVowel();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u3084";
    katakana += "\u30E4";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u3044\u3047";
    katakana += "\u30A4\u30A7";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3044\u3043";
    katakana += "\u30A4\u30A3";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u3088";
    katakana += "\u30E8";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u3086";
    katakana += "\u30E6";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiY();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3083\u3042";
    katakana += "\u30E3\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u3044\u3047\u3048";
    katakana += "\u30A4\u30A7\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3044\u3043\u3044";
    katakana += "\u30A4\u30A3\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u3088\u3046";
    katakana += "\u30E8\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u3086\u3045\u3046";
    katakana += "\u30E6\u30A5\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u3044";
    katakana += "\u30A4";
  }
}

function romajiZ()
{
  advance();
  if (currChar == '\'')
  {
    hiragana += "\u305A";
    katakana += "\u30BA";
    advance();
    forcedVowel();
  }
  else if (currChar == 'a')
  {
    hiragana += "\u3056";
    katakana += "\u30B6";
    advance();
    longACheck();
  }
  else if (currChar == 'e')
  {
    hiragana += "\u305C";
    katakana += "\u30BC";
    advance();
    longECheck();
  }
  else if (currChar == 'i')
  {
    hiragana += "\u3058";
    katakana += "\u30B8";
    advance();
    longICheck();
  }
  else if (currChar == 'o')
  {
    hiragana += "\u305E";
    katakana += "\u30BE";
    advance();
    longOCheck();
  }
  else if (currChar == 'u')
  {
    hiragana += "\u305A";
    katakana += "\u30BA";
    advance();
    longUCheck();
  }
  else if (currChar == 'y')
  {
    hiragana += "\u3058";
    katakana += "\u30B8";
    advance();
    forcedY();
  }
  else if (currChar == 'z')
  {
    hiragana += "\u3063";
    katakana += "\u30C3";
    romajiZ();
  }
  // long a romaji
  else if (currChar == '\u00E2' || currChar == '\u0101')
  {
    hiragana += "\u3056\u3042";
    katakana += "\u30B6\u30FC";
    advance();
  }
  // long e romaji
  else if (currChar == '\u00EA' || currChar == '\u0113')
  {
    hiragana += "\u305C\u3048";
    katakana += "\u30BC\u30FC";
    advance();
  }
  // long i romaji
  else if (currChar == '\u00EE' || currChar == '\u012B')
  {
    hiragana += "\u3058\u3044";
    katakana += "\u30B8\u30FC";
    advance();
  }
  // long o romaji
  else if (currChar == '\u00F4' || currChar == '\u014D')
  {
    hiragana += "\u305E\u3046";
    katakana += "\u30BE\u30FC";
    advance();
  }
  // long u romaji
  else if (currChar == '\u00FB' || currChar == '\u016B')
  {
    hiragana += "\u305A\u3046";
    katakana += "\u30BA\u30FC";
    advance();
  }
  else
  {
    hiragana += "\u305A";
    katakana += "\u30BA";
  }
}

function performConversion(strRomaji)
{
  //romaji = document.forms[0].romaji.value;
  romaji =strRomaji;
  romaji = romaji.toLowerCase();
  hiragana = "";
  katakana = "";
// loop to convert the romaji
  start();
  while (romaji.length > 0)
  {
    if (currChar == 'a')
      romajiA();
    else if (currChar == 'b')
      romajiB();
    else if (currChar == 'c')
      romajiC();
    else if (currChar == 'd')
      romajiD();
    else if (currChar == 'e')
      romajiE();
    else if (currChar == 'f')
      romajiF();
    else if (currChar == 'g')
      romajiG();
    else if (currChar == 'h')
      romajiH();
    else if (currChar == 'i')
      romajiI();
    else if (currChar == 'j')
      romajiJ();
    else if (currChar == 'k')
      romajiK();
    else if (currChar == 'l')
      romajiL();
    else if (currChar == 'm')
      romajiM();
    else if (currChar == 'n')
      romajiN();
    else if (currChar == 'o')
      romajiO();
    else if (currChar == 'p')
      romajiP();
    else if (currChar == 'q')
      romajiQ();
    else if (currChar == 'r')
      romajiR();
    else if (currChar == 's')
      romajiS();
    else if (currChar == 't')
      romajiT();
    else if (currChar == 'u')
      romajiU();
    else if (currChar == 'v')
      romajiV();
    else if (currChar == 'w')
      romajiW();
    else if (currChar == 'x')
      romajiX();
    else if (currChar == 'y')
      romajiY();
    else if (currChar == 'z')
      romajiZ();
    else if (currChar == '-')
    {
      hiragana += "\u30FC";
      katakana += "\u30FC";
      advance();
    }
    else if (currChar == ',')
    {
      hiragana += "\u3001";
      katakana += "\u3001";
      advance();
    }
    else if (currChar == '.')
    {
      hiragana += "\u3002";
      katakana += "\u3002";
      advance();
    }
    else if (currChar == '\\')
    {
      advance();
      if (currChar == '.')
      {
        hiragana += ".";
        katakana += ".";
        advance();
      }
      else
      {
        hiragana += currChar;
        katakana += currChar;
      }
    }
    // long a romaji
    else if (currChar == '\u00E2' || currChar == '\u0101')
    {
      hiragana += "\u3042\u3042";
      katakana += "\u30A2\u30FC";
      advance();
    }
    // long e romaji
    else if (currChar == '\u00EA' || currChar == '\u0113')
    {
      hiragana += "\u3048\u3048";
      katakana += "\u30A8\u30FC";
      advance();
    }
    // long i romaji
    else if (currChar == '\u00EE' || currChar == '\u012B')
    {
      hiragana += "\u3044\u3044";
      katakana += "\u30A4\u30FC";
      advance();
    }
    // long o romaji
    else if (currChar == '\u00F4' || currChar == '\u014D')
    {
      hiragana += "\u304A\u3046";
      katakana += "\u30AA\u30FC";
      advance();
    }
    // long u romaji
    else if (currChar == '\u00FB' || currChar == '\u016B')
    {
      hiragana += "\u3046\u3046";
      katakana += "\u30A6\u30FC";
      advance();
    }
    else if (currChar == ' ')
    {
      // ignore most spaces
      advance();
    }
    else
    {
      hiragana += currChar;
      katakana += currChar;
      advance();
    }
  }
  return hiragana;
  //document.forms[0].hiragana.value = hiragana;
  //document.forms[0].katakana.value = katakana;
}