Added country url bypass + scroll JS to properly load the "non visible" product stock checks

Run-JavaScript-before-change-detection.md

@@ -47,7 +47,8 @@ document.getElementById('onetrust-accept-btn-handler').click();
 
 ### Web page change alerts for BestBuy products
 
-BestBuy will often ask for a 'local' or 'country' store, we simply click on the USA flag link from the English section of the site https://changedetection.io/share/pkhEFXeb8Cka
+BestBuy will often ask for a 'local' or 'country' store, just append ```&intl=nosplash``` to the end of the url to go directly to the site and bypass the country selection.
+https://changedetection.io/share/pkhEFXeb8Cka
 
 In that above shared link, we will be watching BestBuy for changes in GTX 4090 graphic card prices
 
@@ -62,6 +63,27 @@ setInterval(function(){
 ```
 and "**Wait seconds before extracting text**" to around `5`
 
+If the page contains more then 3 products, you will also need to execute JS to scroll the page if you wish for it to properly check stock.
+```var notChangedStepsCount = 0;
+var scrollInterval = setInterval(function() {
+    var element = document.querySelector("div.footer");
+    if (element) { 
+        // element found
+        clearInterval(scrollInterval);
+        element.scrollIntoView();
+    } else if((document.documentElement.scrollTop + window.innerHeight) != document.documentElement.scrollHeight) { 
+        // no element -> scrolling
+        notChangedStepsCount = 0;
+        document.documentElement.scrollTop = document.documentElement.scrollHeight;
+    } else if (notChangedStepsCount > 20) { 
+        // no more space to scroll
+        clearInterval(scrollInterval);
+    } else {
+        // waiting for possible extension (autoload) of the page
+        notChangedStepsCount++;
+    }
+}, 50);```
+
 "**CSS/JSON/XPATH Filter**" to `.shop-sku-list-item` (to just extract the product prices and price+description)