if(!sn){
   var sn={};
  }

  if(typeof(sn) != 'object'){
   alert("Variable sn must be a javascript object");
  }

  sn.cart = {
	indicateChange: function() {
		var speed = "fast", cartContainerId = '#cartContainer';
		var settingsOn = {backgroundColor: '#F9EA68'};
		var settingsOff = {backgroundColor: '#FFFFFF'};
		
		window.scrollTo(0,0);

		$(cartContainerId).animate(settingsOn, {duration:speed, complete:function(){
			$(cartContainerId).animate(settingsOff, {duration:speed, complete:function(){
				$(cartContainerId).animate(settingsOn, {duration:speed, complete:function(){
					$(cartContainerId).animate(settingsOff, {duration:speed});
				}});
			}});
		}});
		
	},

	doSyncJobb: function (id, articleId)
  	{
  		var scope = this;
  		var formData = null;
  		$.ajax({
  			type: "get",
  			url: scope.webshopUrl,
  			cache:false,
  			data:{a:'sync',itemid:id, articleid:articleId},
  			dataType:'html'  			
  		});
  	},




	gotoCheckOutUrl: function() {
		window.location="/webshop_kassa/";	
	},
	
	itemIdQuantityDelimiter: "#",
	
	webshopUrl: "/webshop",
	
	allowedNumberFormatRegExp: new RegExp("^-?\\d+$"),
	validateNumberFormat: function (str){
		return this.allowedNumberFormatRegExp.test(str);
	},
	
  	removeCart: function ()
  	{	  	
  		var scope = this;
  		var formData = null;
  		$.ajax({
  			type: "get",
  			url: scope.webshopUrl,
  			cache:false,
  			data:"a=r",
  			dataType:'html',  			
  			success:function(msg)
  			{  				
  				var objCartTableBody = $('#cartContainer #cartItems tbody:first');
				objCartTableBody.html("");				
				$('#webShopContainer').hide();				
  			},
  			error:function (XMLHttpRequest, textStatus, errorThrown)
  			{
  				if(window.console){
  					console.log('No data received: '+textStatus);
  				}
  			}
  		});
  	},
  	
  	updateCart: function () {
  		this.doAjaxRequestAndlistItemsInCart({a:'g'});
  	},  	
  	
  	addToCartWithUserInteraction: function(id, numberOfItems, articleId, htmlElementButton){  		
  		if(this.validateNumberFormat(numberOfItems)){
  			this.addToCart(id, numberOfItems, articleId, htmlElementButton, true);
  		}else{
  			this.addToCart(id, 1, articleId, htmlElementButton, true);
  		}  		
  	},
  	
  	addToCart: function(id, numberOfItems, articleId, htmlElementButton){
  		
  		if($(htmlElementButton).data('inactive') != 'true')
  		{
  			$(htmlElementButton).data('inactive','true').addClass('inactive');
	  		
	  		if( numberOfItems !== undefined ){
	  			strId = id+this.itemIdQuantityDelimiter+numberOfItems;
	  			this.doAjaxRequestAndlistItemsInCart({a:'ai',itemid:strId,articleid:articleId}, htmlElementButton, true);
	  		} else {
	  			this.doAjaxRequestAndlistItemsInCart({a:'ai',itemid:id,articleid:articleId}, htmlElementButton, true);
	  		}
			
			this.doSyncJobb(id, articleId);
  		}
  	},
  	
  	removeItem: function(id, numberOfRows){
  		if(numberOfRows > 1){
  			this.doAjaxRequestAndlistItemsInCart({a:'ri',itemid:id});
  		} else {
  			this.removeCart();  			
  		}  		  		
  	},
  	
  	doAjaxRequestAndlistItemsInCart: function(objData, htmlElementButton, addToCartEvent){
  				
		var scope = this;
  		var formData = null;
  		$.ajax({
  			type: "get",
  			url: scope.webshopUrl,
  			cache:false,  			
  			data: objData,
  			dataType:'json', 			
  			success:function(json)
  			{
  				
  				var totalCost = 0;
				var shippingCost = 0;
				var totalCostIncludingShiping = 0;
				var strCurrency="";
  				var objCartTableBody = $('#cartContainer #cartItems tbody:first');
  				var objCartTableFoot = $('#cartContainer #cartItems tfoot:first');
  				
  				objCartTableBody.html("");
  				
  				objCartTableFoot.find(".totalCost").text(totalCost);
				objCartTableFoot.find(".shippngCost").text(shippingCost);
				objCartTableFoot.find(".totalCostIncludingShipping").text(totalCostIncludingShiping);
  				
  				if(json.numOfItems > 0)
  				{
  					strCurrency =  ' '+ json.currency;
  					
  					$('#itemsincart').html(json.numOfItems);  					
  					
  					$.each(json.items, function(i, objItem)
  					{
  						var strId = objItem['itemId'];		
						var strRowClass = (i%2) ? 'even' : 'odd';
						
						$('<tr class="'+ strRowClass +'" id="item-'+ strId +'">'+  											
							'<td rowspan="2" class="deleteColumn" valign="top"><a class="webShopDelete" href="javascript:void(0);" onclick="sn.cart.removeItem(\''+ objItem['itemId'] +'\',\''+json.items.length+'\');"></a></td>' +
							'<td colspan="2" class="name"><a href="/'+ objItem['articleId'] +'">'+ objItem['title'] +'</a></td>' + 
						  '</tr>' +			
						  '<tr class="'+ strRowClass +'" id="item-row2'+ strId +'">' +		
						  	'<td class="numberOf">'+ objItem['quantity'] +'st á '+ objItem['price']+ strCurrency +'</td>' +
						  	'<td class="totalAmount">'+objItem['total']+ strCurrency+'</td>' +
						  '</tr>').appendTo(objCartTableBody);
  						
  					});
  						totalCost = parseInt(json.totalCost);
  						totalCostIncludingShiping = totalCost + shippingCost;
  						
  						objCartTableFoot.find(".totalCost").text(totalCost + "" + strCurrency);
  						objCartTableFoot.find(".shippngCost").text(shippingCost + "" + strCurrency);
  						objCartTableFoot.find(".totalCostIncludingShipping").text(totalCostIncludingShiping + "" + strCurrency);
  					
  					
  					$('#webShopContainer').show(); 
  					
  					if(addToCartEvent){
  						scope.indicateChange();
  					}
  					
  				} else {
  					$('#webShopContainer').hide();
  				}
  				
  				if(htmlElementButton !== undefined && $(htmlElementButton).data('inactive') == 'true')
  				{  					
  					$(htmlElementButton).data('inactive','false').removeClass('inactive');
  				}
  				
  			},
  			error:function (XMLHttpRequest, textStatus, errorThrown)
  			{
  				if(window.console){
  					console.log('No data received: '+textStatus);
  				}
  			}
  		});
  	}  	
  }

  $(document).ready(function()
  {
	sn.cart.updateCart();
  });