function updateUrl() {
	console.log("inside function");
    const baseUrl = "/CustomOrderItemAdd?quantity_1=1&storeId=385303&langId=-1&calculationUsageId=1&URL=AjaxOrderItemDisplayView&catEntryId_1=1187820&calculateOrder=1&authenticate=0&orderId=.&isDirectLink=true&promoCode=";
    let selectedEntries = [];

	
	console.log(baseUrl);
    // Check each checkbox and add its value to the array
    document.querySelectorAll('.upsellOptions input[type="checkbox"]:checked').forEach(function(checkbox) {
        selectedEntries.push(`catEntryId_${selectedEntries.length + 2}=${checkbox.value}`);
    });

    // Create the final URL
    const finalUrl = baseUrl + (selectedEntries.length ? '&' + selectedEntries.join('&') : '');
	
	console.log("finalUrl");
	console.log(finalUrl);
    
    // Update the link's href
    document.getElementById('certificationLink').href = finalUrl;
}