function get(url, name){    
    var arr = url.substring(url.indexOf("?")+1).replace("&", "&").split("&");
    name = name.toLowerCase();
    for(var i=0; i<arr.length; i++){
        var data = arr[i].split("=");
        if(data.length == 2 && data[0].toLowerCase() == name){
            return data[1];
        }
    }
}

var str = "";
var goods = document.querySelectorAll("tr[class='itemtop'] a[href*='item.htm']");
var products = document.querySelectorAll("tr[class='item'] a[href*='my_product_list.htm']");
for(var i=0;i<goods.length;i++){
    var good = goods[i], product = products[i];
    str += get(good.href, "id") + "," + get(product.href, "product_id") + "," + get(product.href, "supplierId") + "," + good.text + "\r\n";
}
str;