$().ready(function() {
    if(typeof (productId) != "undefined"){
        var productIds_array;
        if ($.cookie('product_history') == null) {
            productIds_array = new Array();
            productIds_array[0] = productId.toString();
        }
        else {
            productIds_array = $.cookie('product_history').split(',');
        }
        productIds_array.reverse();
        
        var product_history_select = jQuery.inArray(productId.toString(), productIds_array);
        
        
        if (product_history_select >= 0) {//exists
            productIds_array.splice(product_history_select, 1); //remove
        }
        else {
            if (productIds_array.length == 10)
                productIds_array.shift();
        }
        productIds_array.push(productId);
        productIds_array.reverse();
        $.cookie('product_history', productIds_array.toString(), {expires: 7, path:'/'});//设定根目录,可以通过删除会话cookies来重新测试
        //example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
        //alert($.cookie('product_history'));
    }
    //load history
    if($('#p_history_c').length>0)
    {
        $.post('/ajaxhelper/recentlist.aspx', { ids: $.cookie('product_history') }, function(data) {
            $('#p_history_c').html(data);
            $('#p_history_c dd').eq($('#p_history_c dd').length-1).css('border','none');
        });
    }
});
    function ClearProductHistory()
    {   
        $.cookie('product_history', null, {path:'/'});
        $('#p_history_c').html('暂无浏览数据……');
    }