function init_button(){
    var price = document.querySelector('.price p').innerHTML;
    var price = price.replace(/[^0-9-.]/g, '');
	var model = document.querySelector('.page-title h3').innerHTML;
    var qty = document.getElementsByName("quantity")[0].value;

    if(isNaN(price)) return;
	if(!model) return;
    if ((parseInt(qty) * parseFloat(price)) < 100){
        document.getElementById('approve_button_id').style.display = "none";
        return;
    }

    var new_button = document.createElement('approve-button');
	new_button.id = "approve_button_id";
	new_button.style.display="inline-block";
	new_button.style.margin="25px auto";
	new_button.setAttribute('application-type',"embedded_app");
    if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
        var rfq_btn = document.querySelector('.product-info');
    } else {
        var rfq_btn = document.querySelector('#box-category');
        new_button.style.width="100%";
        new_button.style.textAlign="center";
    }
	rfq_btn.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_qty(qty){
    document.getElementById('approve_button_id').setAttribute('qty',qty);
}


init_button();

var qty_ele = document.getElementsByName("quantity")[0]
qty_ele.addEventListener('change',event => {
    var qty = parseInt(document.getElementsByName("quantity")[0].value);
    var btn_qty = document.getElementById('approve_button_id').getAttribute('qty');
    if (parseInt(qty) != parseInt(btn_qty)){
        update_qty(qty);
    }
})