romaji thing that probably works

function convert_hiragana_to_romaji(hira)
{
    var map = {
        'あ':'a','い':'i','う':'u','え':'e','お':'o',
        'か':'ka','が':'ga','き':'ki','ぎ':'gi','く':'ku','ぐ':'gu','け':'ke','げ':'ge','こ':'ko','ご':'go',
        'さ':'sa','ざ':'za','し':'shi','じ':'ji','す':'su','ず':'zu','せ':'se','ぜ':'ze','そ':'so','ぞ':'zo',
        'た':'ta','だ':'da','ち':'chi','ぢ':'ji','つ':'tsu','づ':'zu','て':'te','で':'de','と':'to','ど':'do',
        'な':'na','に':'ni','ぬ':'nu','ね':'ne','の':'no',
        'は':'ha','ば':'ba','ぱ':'pa','ひ':'hi','び':'bi','ぴ':'pi','ふ':'fu','ぶ':'bu','ぷ':'pu','へ':'he','べ':'be','ぺ':'pe','ほ':'ho','ぼ':'bo','ぽ':'po',
        'ま':'ma','み':'mi','む':'mu','め':'me','も':'mo',
        'や':'ya','ゆ':'yu','よ':'yo',
        'ら':'ra','り':'ri','る':'ru','れ':'re','ろ':'ro',
        'わ':'wa','ゐ':'wi','ゑ':'we','を':'wo',
        'ゔ':'vu',
        '　':' ','？':'?','！':'!'
    };
    var ymap = {'ゃ':'ya','ゅ':'yu','ょ':'yo'};
    var wmap = {'ゎ':'wa'};
    var vmap = {'ぁ':'a','ぃ':'i','ぅ':'u','ぇ':'e','ぉ':'o'};
    var romaji = '';
    var copynextconsonant = 0;
    for (var i = 0; i < hira.length; i++)
    {
        if (map[hira[i]])
        {
            if (copynextconsonant > 0)
            {
                if('あいうえおん'.indexOf(hira[i]) >= 0)
                    copynextconsonant = 0;
                while (copynextconsonant > 0)
                {
                    romaji += map[hira[i]][0];
                    copynextconsonant--;
                }
            }
            romaji += map[hira[i]];
        }
        else if (hira[i] === 'っ') copynextconsonant++;
        else if (ymap[hira[i]])
        {
            if (i > 0 && romaji.slice(-1) === 'i')
                if ('ちしじ'.indexOf(hira[i-1]) !== -1) romaji = romaji.slice(0,-1) + ymap[hira[i]][1];
                else romaji = romaji.slice(0,-1) + ymap[hira[i]];
            else
                romaji += ymap[hira[i]];
        }
        else if (wmap[hira[i]])
        {
            if (i > 0 && romaji.slice(-1) === 'u')//is this even right?
                romaji = romaji.slice(0,-1) + wmap[hira[i]];
            else
                romaji += wmap[hira[i]];
        }
        else if (vmap[hira[i]])
        {
            if (i > 0 && 'あいうえおぁぃぅぇぉん'.indexOf(hira[i-1]) === -1)
                romaji = romaji.slice(0,-1) + vmap[hira[i]];
            else
                romaji += vmap[hira[i]];
        }
        else if (hira[i] === 'ん')
        {
            romaji += 'n';
            if (i != hira.length-1 && 'あいうえおぁぃぅぇぉやゆよゃゅょ'.indexOf(hira[i+1]) >= 0)
                romaji += "'";
        }
        else if (hira[i] === 'ー')
        {
            romaji += romaji.slice(-1);
        }
        else if (hira.charCodeAt(i) < 127)
            romaji += hira[i];
    }
    return romaji;
}