function pd_jump2(flg)
{
    url = location.protocol + '//' + location.hostname + (flg ? '/' : '');
    url += flg + location.pathname.replace(/^\/(hongo|meguro)/, '');
    location.href = url;
}

document.write('<select style="font-size:12pt" onchange="pd_jump2(this.value);">');
if( location.pathname.indexOf('/hongo/') >= 0 )
{
    document.write('<option value="hongo" selected>本郷店</option>');
    document.write('<option value="">水道橋店</option>');
    document.write('<option value="meguro">目黒店</option>');
}
else if( location.pathname.indexOf('/meguro/') >= 0 )
{
    document.write('<option value="meguro" selected>目黒店</option>');
    document.write('<option value="">水道橋店</option>');
    document.write('<option value="hongo">本郷店</option>');
}
else
{
    document.write('<option value="" selected>水道橋店</option>');
    document.write('<option value="hongo">本郷店</option>');
    document.write('<option value="meguro">目黒店</option>');
}
document.write('</select>');