js版path_info

function path_info(filename)
{
    var tmpo                = new Object;
    tmpo.dir                = filename.replace( /[^\/\\]+$/ig , "" );
    tmpo.fullname        = filename.replace( /.+[\/\\]/ig , "" );
    tmpo.basename        = tmpo.fullname.replace( /\.[^.]+$/i , "" );
    tmpo.extname        = tmpo.fullname.replace( /.+[.]([^.\\\/]+)$/ig , "$1" );
    tmpo.uri_fullname = encodeURIComponent( tmpo.fullname );
    return tmpo;
}