// search-form: top-search-form, advanced-search-form, search-form in search result page
$('.search-form').submit(function() {
    if (!$.trim($(this).find('.search-input').val())) {
        return false;
    }
});
$('#top-search-form .icon-caret-down').click(function() {
    var form = $(this).parent(),
        q = form.find('[name="q"]').val(),
        advanced_form = $('#advanced-search-form');
    $('#header-inner').css({'position':'relative'});
    advanced_form.css({'right': 0, 'top':form.outerHeight(true)}).toggleClass('hide');
    if (!advanced_form.hasClass('hide') && q) {
        advanced_form.find('.search-input').val(q);
    }
});
$('.search-filetypes .item:first-child').click(function() {
    $(this).parents('.search-form').find('.custom-ftype-options').addClass('hide');
});
$('.search-filetypes .item:last-child').click(function() {
    $(this).parents('.search-form').find('.custom-ftype-options').removeClass('hide');
});
$('#advanced-search-form').submit(function() {
    if ($('#custom-search-ftypes').attr('checked') &&
        $('.custom-ftype-options .checkbox-checked').length == 0 &&
        !$.trim($('.custom-ftype-options .fileext-input').val())) {
        $(this).find('.error').removeClass('hide');
        return false;
    }
});
$(document).click(function(e) {
    var target = e.target || event.srcElement,
        popup = $('#advanced-search-form'),
        popup_switch = $('#top-search-form .icon-caret-down');
    if (!popup.hasClass('hide') && !popup.is(target) && !popup.find('*').is(target) && !popup_switch.is(target)) {
        popup.addClass('hide');
    }    
});