function init_button(){
	
	var price = document.querySelector('.price--withoutTax').innerHTML;
	var price = price.replace(/^.*\$/,'');
	price = price.replace(/,/,'');
	var model = document.querySelector('.productView-title').innerHTML;
    var qty = document.querySelector('.form-input--incrementTotal').value;


	if(isNaN(price)) return;
	if(!model) return;

	var new_button = document.createElement('approve-button');
	new_button.id = "approve_button_id";
	new_button.style.display="inline-block";
	new_button.style.margin="15px 0px";
	new_button.style.width="208%"
	new_button.setAttribute('application-type',"embedded_app");
	var add_to_cart_element = document.querySelector('#form-action-addToCart');
	add_to_cart_element.after(new_button);

	document.getElementById('approve_button_id').setAttribute('price',price);
	document.getElementById('approve_button_id').setAttribute('model',model);
	document.getElementById('approve_button_id').setAttribute('qty',qty);
	document.getElementById('approve_button_id').setAttribute('type',"new_product");
}

function update_button(){
	var price = document.querySelector('.price--withoutTax').innerHTML;
	var price = price.replace(/^.*\$/,'');
	price = price.replace(/,/,'');
	var model = document.querySelector('.productView-title').innerHTML;
    	var qty = document.querySelector('.form-input--incrementTotal').value;


	if(isNaN(price)) return;
	if(!model) return;

	document.getElementById('approve_button_id').setAttribute('price',price);
	document.getElementById('approve_button_id').setAttribute('model',model);
	document.getElementById('approve_button_id').setAttribute('qty',qty);
	document.getElementById('approve_button_id').setAttribute('type',"new_product");
}

init_button();

var product_container = document.querySelector('.productView-details');
const observer2 = new MutationObserver(function() {
    var qty_ele = product_container.querySelector('.form-input--incrementTotal');
    qty_ele.addEventListener('change', function (evt) {
        var qty = qty_ele.value;
        var btn_qty = document.getElementById('approve_button_id').getAttribute('qty');
        if (parseInt(qty) != parseInt(btn_qty)){
            document.getElementById('approve_button_id').setAttribute('qty',qty);
        }
    });
});
observer2.observe(product_container,{subtree: true, childList: true});