$( function(){

//function getQuantity() {

	$.ajax({
	  url: "/cart/item_quantity/",
	  cache: false,
	  success: function(html){

		var arr  = html.split(",");
		var total = 0;
		for (var h in arr) {
			if ((arr[h] != null) && (arr[h] != '')) total += parseInt(arr[h]);
		}

		if( total == 0 )
		{
			$("#quantity").html("Bag is empty");
		}
		else if( total == 1 )
		{
			$("#quantity").html(total + " item");
		}
		else
		{
			$("#quantity").html(total + " items");
		}
	  }
	});

	



});