PChome auto pager script for greasemonkey

PChome Loader

// ==UserScript==
// @name        PChome Loader
// @namespace   ETHAN_PCHOME
// @include     http://*.pchome.com.tw/*
// @version     1.0.0
// @require     http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js
// @run-at      document-end
// @grant       GM_getValue
// @grant       GM_setValue
// ==/UserScript==

this.$ = this.jQuery = jQuery.noConflict(true);
var viewportHeight = document.body.clientHeight;

$.ajaxSetup({
    'beforeSend' : function(xhr) {
        xhr.overrideMimeType('text/html; charset=big5');
    },
});

$(window).scroll(function(){
    var offset = $(window).scrollTop();

    var $elem = $('.pgNumber').not('.loaded');
    var elementTop = $elem.offset().top - $elem.height();

    if (offset + viewportHeight >= elementTop) {
        var link = $("a:contains('下一頁')", $elem).attr('href');
        $elem.addClass('loaded');
        if (link) {
            // console.log(link);
            $.get(link, function(response) {
                // console.log(response);
                // jQuery('#StoreBodyContainer table:nth-child(5)').nextAll()
                var targetTable = $('#StoreBodyContainer', response);
                var $content = $('table:nth-child(5)', targetTable).nextAll();
                $('table', $content).css('margin-top', '0px');
                $('table', $content).css('margin-bottom', '0px');

                // var pager = $('.pgNumber', response);
                // content.append(pager);
                $('.pgNumber:last').after($content);
            }, 'html');
        }
    }

});