$(function() {
		$("#cart tr .remove input").click(function() {
			var orderCode = $(this).val();
			$.ajax({
				type: "GET",
				url: "include/shoppingcart_action.php",			
				data: "action=remove&code=" + orderCode,			
				success: function() {				
					$("#cart tr .remove input[value=" + orderCode + "]").parent().parent().fadeOut(500, function() {
						$(this).remove();
						calcPrice();
						$('#cart tr:even').addClass('odd');
						$('#cart tr:last').removeClass('odd');
						$("#spnQty").load("include/shoppingcart_action.php?action=count");
					});
				},
				error: function() {
					window.location("include/shoppingcart_action.php?action=remove&code=" + orderCode);
				}
			});
		});
		
		$("#cart tr .quantity input").change(function() {
			var orderCode = $(this).attr("name").slice(9, -1);
			var quantity = $(this).val();
			$.ajax({
				type: "GET",
				url: "include/shoppingcart_action.php",
				data: "quantity[" + orderCode + "]=" + quantity,
				success: function() {
					var startColor = $("#cart tr .quantity input[name*=" + orderCode + "]").parent().parent().hasClass("odd") ? "#eee" : "#fff";
					$("#cart tr .quantity input[name*=" + orderCode + "]").parent().parent().find("td").animate({ backgroundColor: "#ff8" }, 100).animate({ backgroundColor: startColor }, 800);
					calcPrice();
				},
				error: function() {
					window.location("include/shoppingcart_action.php?quantity[" + orderCode + "]=" + quantity);
				}
			});
		});
	});

function calcPrice() 
{
	var totalPrice = 0;
	$("#cart tr .quantity").parent().each(function() {
		var quantity = $(".quantity", this).text();
		//var unitPrice = $(".unit_price", this).text().slice(1);
		var unitPrice = $(".unit_price", this).text();
		var extendedPrice = quantity*unitPrice;
		totalPrice += extendedPrice;
		
		$(".extended_price", this).html(extendedPrice);
		$("#total_price").html(totalPrice);
	});
	
	if ( totalPrice == 0 ) {
		$("#cart").parent().replaceWith("<p class='center'>Vaša korpa je prazna, izaberite neki od proizvoda.</p>");
	}
}