Maya exporter mel script modified because it doesnt save settings

ThreejsExportScript.mel

// ThreeJsExportScript.mel
// Author: Sean Griffin
// Email: sean@thoughtbot.com

global proc int ThreeJsExportScript(string $parent, string $action, string $settings, string $callback)
{
    if ($action == "post")
    {
        setParent $parent;
        columnLayout -adj true;

          frameLayout -cll true -cl false -bv true -bs "etchedIn" -l "General Export Options";
            columnLayout -adj true;
              checkBox -v true -l "Vertices" vertsCb;
              checkBox -v true -l "Faces" facesCb;
              checkBox -v true -l "Normals" normalsCb;
              checkBox -v false -l "UVs" uvsCb;
              checkBox -v false -l "Colors" colorsCb;
              checkBox
                -v false
                -l "Bones"
                -onc "textField -e -en true maxInfluencesText;"
                -ofc "textField -e -en false maxInfluencesText;"
                bonesCb;
              textFieldGrp -tx 4 -label "Max Influences Per Vertex" maxInfluencesText;
              setParent ..; // columnLayout
            setParent ..; // frameLayout

          frameLayout -cll true -cl false -bv true -bs "etchedIn" -l "Skinning Options";
            columnLayout -adj true;
              checkBox -v true -l "Material Indices" materialsCb;
              checkBox -v false -l "Diffuse Maps" diffuseMapsCb;
              checkBox -v false -l "Specular Maps" specularMapsCb;
              checkBox -v false -l "Bump Maps" bumpMapsCb;
              checkBox -v false -l "Copy Texture Files to Target Directory" copyTexturesCb;
              setParent ..; // columnLayout
            setParent ..; // frameLayout

          frameLayout -cll true -cl false -bv true -bs "etchedIn" -l "Animation Options";
            columnLayout -adj true;
              checkBox -v true -l "Export Animations" animCb;
              checkBox
                -v true
                -l "Bake Animation"
                -onc "textField -e -en true startText; textField -e -en true endText; textField -e -en true stepText;"
                -ofc "textField -e -en false startText; textField -e -en false endText; textField -e -en false stepText;"
                bakeAnimCb;
              textField -en true -tx `playbackOptions -minTime true -q` -ann "Start" startText;
              textField -en true -tx `playbackOptions -maxTime true -q` -ann "End" endText;
              textField -en true -tx 1 -ann "Step" stepText;
            setParent ..; // columnLayout
          setParent ..; // frameLayout

          frameLayout -cll true -cl false -bv true -bs "etchedIn" -l "Debug Options";
            columnLayout -adj true;
              checkBox -v false -l "Pretty Output" prettyOutputCb;
            setParent ..; // columnLayout
          setParent ..; // frameLayout

    }
    else if ($action == "query")
    {
        string $option = "\"";
        if (`checkBox -q -v vertsCb`)
            $option += "vertices ";
        if (`checkBox -q -v facesCb`)
            $option += "faces ";
        if (`checkBox -q -v normalsCb`)
            $option += "normals ";
        if (`checkBox -q -v uvsCb`)
            $option += "uvs ";
        if (`checkBox -q -v materialsCb`)
            $option += "materials ";
        if (`checkBox -q -v diffuseMapsCb`)
            $option += "diffuseMaps ";
        if (`checkBox -q -v specularMapsCb`)
            $option += "specularMaps ";
        if (`checkBox -q -v bumpMapsCb`)
            $option += "bumpMaps ";
        if (`checkBox -q -v copyTexturesCb`)
            $option += "copyTexturesMaps ";
        if (`checkBox -q -v colorsCb`)
            $option += "colors ";
        if (`checkBox -q -v bonesCb`)
        {
            $option += "bones ";
            $option += `textFieldGrp -q -tx maxInfluencesText`;
            $option += " ";
        }
        if (`checkBox -q -v animCb`)
            $option += "skeletalAnim ";
        if (`checkBox -q -v bakeAnimCb`)
        {
            $option += "bakeAnimations ";
            $option += `textField -q -tx startText`;
            $option += " ";
            $option += `textField -q -tx endText`;
            $option += " ";
            $option += `textField -q -tx stepText`;
            $option += " ";
        }
        if (`checkBox -q -v prettyOutputCb`)
            $option += "prettyOutput ";
        $option += "\"";
        eval($callback + $option);
    }
    return 1;
}