function togglePageLogin() { new Effect.toggle('page-login-popup', 'slide',{duration:0.5}); }
function showPageLogin() { if (elem("page-login-popup").style.display == "none") togglePageLogin(); }
function hidePageLogin() { if (elem("page-login-popup").style.display != "none") togglePageLogin(); }
function toggleHaku() { new Effect.toggle('haku-popup', 'slide',{duration:0.5}); }
function showHaku() { if (elem("haku-popup").style.display == "none") toggleHaku(); }
function hideHaku() { if (elem("haku-popup").style.display != "none") toggleHaku(); }