var selectedTheme = false;

$('aTheme1').addEvent('click', function(e) {
    toggleTheme(1);
});
$('aTheme2').addEvent('click', function(e) {
    toggleTheme(2);
});

$('libutton-1').addEvent('click', function(e) {
    if (!selectedTheme) {
        toggleTheme(1);
    }else {
        $('divPackages').removeClass('displayNo');
    }
});
$('libutton-2').addEvent('click', function(e) {
    if (!selectedTheme) {
        toggleTheme(2);
    }else {
        $('divPackages').removeClass('displayNo');
    }
});

function toggleTheme(theme) {
    selectedTheme = true;

    $('divPackages').addClass('displayNo');

    $('divTheme').removeClass('home');
    $('divTheme').removeClass('theme-1');
    $('divTheme').removeClass('theme-2');

    $('liTheme1').removeClass('active');
    $('liTheme2').removeClass('active');

    if (1 == theme) {
        $('divTheme').addClass('theme-1');
        $('liTheme1').addClass('active');
    }else if (2 == theme) {
        $('divTheme').addClass('theme-2');
        $('liTheme2').addClass('active');
    }else {
        $('divTheme').addClass('home');
    }
}