var shopCB = {
  addtocart: function(result)
  {
    var arr = result.split('~');
    var qty = arr[0];
    var sum = arr[1];
    document.getElementById('total_in_cart').innerHTML = qty;
    document.getElementById('sum_in_cart').innerHTML = sum;
	displayCentered('add',260,120);

  }
};
	
var shop  = new shop(shopCB);	


function addToCart(id,qty)
{
	id = parseInt(id);
	qty = parseInt(qty);

	
	if (shop && (typeof shop == "object") && (typeof shop.addtocart == 'function'))
	{
		document.getElementById('HTML_AJAX_LOADING').style.display = 'block';
		shop.addtocart(id+'::'+qty);
		
	} else
	{
		alert('noajax');
	}
}