//特別な文字 definition of special character
commandMarkStr = "/";
specialCharacterArray = new Array(commandMarkStr, "<", ".", ',', "-", " ", '(', ")");


//全関数共通の変数を定義 definition of universal used
checkCharacterArray = new Array();
henkangoStr = new String();
characterNumber = new Number();
bunshouString = new String();


//呼び出し元関数 main function
function henkanMainFunction(bStr)
	{
	bunshouString = bStr;
	checkCharacterArray[1] = "";
	checkCharacterArray[2] = "";
	checkCharacterArray[3] = bunshouString.charAt(0);
	checkCharacterArray[4] = bunshouString.charAt(1);
	henkangoStr = "";
	for(characterNumber = 0; characterNumber < bunshouString.length;)
		{
		checkStringFunction()
		toNextFunction()
		}
	henkangoStr += checkCharacterArray[1] + checkCharacterArray[2] + checkCharacterArray[3] + checkCharacterArray[4];
//	henkangoStr += "\nEOF\n";
	return henkangoStr;
	}


//文字をチェック  checking character
function checkStringFunction()
	{
	checking:
	if (checkCharacterArray[3] != "")
		{
		for(fNum in boinArray)
			{
			if (checkCharacterArray[3] == boinArray[fNum]) {onBoinFunction(fNum);	break checking;}
			if (checkCharacterArray[3] == boinArray[fNum].toUpperCase()) {onBoinFunction(eval(fNum) + 5);	break checking;}
			}
		if (checkCharacterArray[3] == "n") onNnFunction(1)
		else if (checkCharacterArray[3] == "N") onNnFunction(2)
		else if (checkCharacterArray[3] == checkCharacterArray[4]) onDoubleFunction()
		else for(bNum in specialCharacterArray)
			{
			if (checkCharacterArray[3] == specialCharacterArray[bNum]) onSpecialCharacterFunction(bNum);
			}
		}
	}


//次の文字へ移る  finish this character and for starting next one
function toNextFunction()
	{
	henkangoStr += checkCharacterArray[1]
	checkCharacterArray[1] = checkCharacterArray[2];
	checkCharacterArray[2] = checkCharacterArray[3];
	checkCharacterArray[3] = checkCharacterArray[4];
	checkCharacterArray[4] = bunshouString.charAt(characterNumber + 2);
	characterNumber++;
	}


//母音の処理  on vowel
function onBoinFunction(boinNumber)
	{
	shiinNumber = new Number();
	if(checkCharacterArray[2] == "") {shiinNumber = shiin0Function();}
	else
		{
		switch(checkCharacterArray[1])
			{
			case "":shiinNumber = shiin1Function(); break;
			default:shiinNumber = shiin2Function(); break;
			}
		}
	checkCharacterArray[3] = mojiArray[shiinNumber][boinNumber];
	}

function shiin0Function()
	{
	return 0;
	}

function shiin1Function()
	{
	Shiin1Number = 0;
	for(cNum = 1; cNum <= 21; cNum++)
		{
		if(checkCharacterArray[2].toLowerCase() == shiin1Array[cNum])
			{
			Shiin1Number = cNum;
			checkCharacterArray[2] = "";
			checkCharacterArray[3] = "";
			}
		}
	if (Shiin1Number == 0) {Shiin1Number = shiin0Function();}
	return Shiin1Number;
	}

function shiin2Function()
	{
	Shiin2Number = 0;
	for(dNum = 31; dNum <= 60; dNum++)
		{
		if((checkCharacterArray[1] + checkCharacterArray[2]).toLowerCase() == shiin2Array[dNum])
			{
			Shiin2Number = dNum;
			checkCharacterArray[1] = "";
			checkCharacterArray[2] = "";
			checkCharacterArray[3] = "";
			}
		}
	if (Shiin2Number == 0) {Shiin2Number = shiin1Function();}
	return Shiin2Number;
	}


//Nの処理 on "N"
function onNnFunction(nScale)
	{
	if (checkCharacterArray[2].toLowerCase() == "n") doubleNFunction(nScale);
	else
		{
		nextCheckArray = new Array("","a","i","u","e","o","y","n");
		nextOKBool = true;
		for(eNum in nextCheckArray)
			{
			if (checkCharacterArray[4].toLowerCase() == nextCheckArray[eNum]) nextOKBool = false;
			}
		if (nextOKBool) onlyNFunction(nScale);
		}
	}

function doubleNFunction(nnScale)
	{
	checkCharacterArray[2] = "";
	checkCharacterArray[3] = nStringArray[nnScale];
	}

function onlyNFunction(onlyNScale)
	{
	checkCharacterArray[3] = nStringArray[onlyNScale];
	}


//促音の処理 on double consonant character
function onDoubleFunction()
	{
	if(65 <= (checkCharacterArray[3].toUpperCase()).charCodeAt(0) && (checkCharacterArray[3].toUpperCase()).charCodeAt(0) <= 90)
		{
		xtsuScale = 1;
		if (checkCharacterArray[4].toUpperCase() == checkCharacterArray[4]) xtsuScale = 2;
		checkCharacterArray[3] = xtsuStringArray[xtsuScale];
		}
	}


//特殊な文字の処理
function onSpecialCharacterFunction(characterNumber)
	{
	switch(eval(characterNumber))
		{
		case 0:onCommandFunction(checkCharacterArray[3] + checkCharacterArray[4]); break; // /
		case 1:noConvertFunction(); break;           // <
		case 2:checkCharacterArray[3] = "。"; break; // .
		case 3:checkCharacterArray[3] = "、"; break; // ,
		case 4:checkCharacterArray[3] = "ー"; break; // -
		case 5:                                      //' '
			if(checkCharacterArray[2] == " ")
				{
				checkCharacterArray[3] = "　";
				checkCharacterArray[2] = "";
				}
			else if(checkCharacterArray[2] == "。" || checkCharacterArray[2] == "、")
				{
				checkCharacterArray[3] = "";
				}
			break;
		case 6:checkCharacterArray[3] = "（"; break; // (
		case 7:checkCharacterArray[3] = "）"; break; // )
		default:alert(characterNumber);
		}
	}

//コマンド command
function onCommandFunction(commandString)
	{
	switch(commandString.toLowerCase())
		{
		//case "a":commandAFunction(); break;
		}
	}

//変換しない in <>
function noConvertFunction()
	{
	checkCharacterArray[3] = "";
	do
		{
		toNextFunction();
		if(checkCharacterArray[3] == ">")
			{
			checkCharacterArray[3] = "";
			break;
			}
		}
	while(characterNumber < bunshouString.length)
	}