function deleteFromCart(nRow) {

	var sURL = _root + "include/ajax_process_cart.asp"
	var sData = "?action=deleteitem&row=" + nRow;
	
	$.ajax({
		type: "GET",
		url: sURL + sData,
		cache: false,
		async: false,
		success: function(xml){
			window.location.reload();
		}, 
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			alert(XMLHttpRequest.responseText);
		}
  	});
						
}

function addToCart(nID, nQuantity, options) {

	if(!checkQuantity) {
		return false;
	}
	
	var sOptions = "";
	
	$.each(options, function(i, n){
		if(i != "onreturn") {
			sOptions += "&" + i + "=" + n;
		}
	});
	
	var sURL = _root + "include/ajax_process_cart.asp";
	var sData = "?action=additem&id=" + nID + "&quantity=" + nQuantity + sOptions;

	$.ajax({
		type: "GET",
		dataType : "text",
		url: sURL + sData,
		cache: false,
		async: true,
		success: function(xml){
		
			loadCartXML();
			
			if(options.onreturn) {
				options.onreturn(xml);
			}
			
		}, 
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			alert(XMLHttpRequest.responseText);
		}
  	});

}

function updateCart(nRow, nQuantity, options) {

	var sOptions = "";
	
	$.each(options, function(i, n){
		if(i != "onreturn") {
			sOptions += "&" + i + "=" + n;
		}
	});
	
	var sURL = _root + "include/ajax_process_cart.asp"
	var sData = "?action=updateitem&row=" + nRow + "&quantity=" + nQuantity + sOptions;
	
	$.ajax({
		type: "GET",
		url: sURL + sData,
		cache: false,
		async: false,
		success: function(xml){
		
			loadCartXML();

			if(options.onreturn) {
				options.onreturn(xml);
			}

		}, 
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			alert(XMLHttpRequest.responseText);
		}
  	});

}


function loadCartXML() {
	
	var sURL = _root + "include/xml_cart.asp"
	
	$.ajax({
		type: "GET",
		url: sURL,
		cache: false,
		async: false,
		success: function(xml){
			
			showCart(xml);			

		}, 
		error: function(XMLHttpRequest, textStatus, errorThrown) {
			alert(XMLHttpRequest.responseText);
		}
  	});
		
}

function showCart(xml) {


	var mTotal = $(xml).find("order > total").text();
	
	var nTotalProducts = 0;
	
	var sHTML = "";	
	sHTML = '<table cellspacing="0" cellpadding="0" border="0"><tbody>';
	
	$(xml).find("product").each(function() {
		
		nID = $(this).find("id").text();
		nRow = $(this).find("row").text(); 
		sTitle = $(this).find("title").text();
		nQuantity = $(this).find("quantity").text();
		mSubtotal = $(this).find("subtotal").text();
		sUrl = _root + $(this).find("url").text();
		
		
		// voor totaal producten
		nTotalProducts += parseFloat(nQuantity);
	
		sHTML += '<tr id="' + nRow + '">';
			sHTML += '<td class="quantity"><input type="text" value="' + nQuantity + '" class="spinner" /></td>';
			sHTML += '<td><a href="' + sUrl + '">' + sTitle + '</a></td>';
			sHTML += '<td class="total">&euro; ' + formatPrice(mSubtotal) + '</td>';
		sHTML += "</tr>";
		
	});
	
	updateShoppingcartCount(nTotalProducts);
	updateShoppingcartTotal(mTotal);
	
	return false;
	
	sHTML += '</tbody><tfoot>';
	sHTML += '<tr><td>Totaal</td><td colspan="2" align="right">' + formatPrice(mTotal) + '</td></tr>';
	sHTML += "</tfoot></table>";
	
	$("#shoppingBag").html(sHTML);
	

	updateShoppingcartCount(nTotalProducts);
	
	init();
	
	$('#shoppingBag input[type=text].spinner').bind('spindown', function(event, ui) {
		
		var nRow = $(this).parents("tr").attr("id");
		var nQuantity = $(this).val();
		
		options = {};
		
		updateCart(nRow, nQuantity, options);
	
	});
	
	$('#shoppingBag input[type=text].spinner').bind('spinup', function(event, ui) {
		
		var nRow = $(this).parents("tr").attr("id");
		var nQuantity = $(this).val();
		
		options = {};
		
		updateCart(nRow, nQuantity, options);
	
	});
	
}

function updateShoppingcartTotal(n) {
	n = formatPrice(n);
	$("#shoppingcartTotal").html(n);
}

function updateShoppingcartCount(n) {
	
	n = n.toString();
	$("#shoppingcartCount").html(n);
	$(".shoppingcartCount").html(n);
	
}

function checkQuantity(n) { 

	if(n != "" && n > 0 && parseFloat(n) != "NaN") {
		return true;
	}
	else {
		alert("Het aantal is niet correct. Probeer het opnieuw");
		return false;
	}

}