if(typeof ShoppingCart._initialized == "undefined")
{

      CartItem.prototype.isEClub = function()
      {                  
         var discounted = eClub.isDiscounted(this.divCatStr);          
         return discounted;
      };
      
      CartItem.prototype.getBookLink = function()
      {
        var bookLink = ["/primary/newonix/domisbn/" + this.isbn + "?open"];
        
        var divCatSplit = this.divCatStr.split('>');
        
        bookLink.push("&div=" + escape(divCatSplit[0]));
        if(divCatSplit.length == 3)
        {
            bookLink.push("&cat=" + escape(divCatSplit[1]) + ">" + escape(divCatSplit[2]));
        } else {
            bookLink.push("&cat=" + escape(divCatSplit[1]));
        }
        if(this.buyInspect.substring(0,1) == "I") 
        {
            bookLink.push("&bi=1");
        } else {
            bookLink.push("&bi=0");
        }
        bookLink.push("&ed=site/primed3.nsf");
        return bookLink.join("");
      };


    ShoppingCart.prototype.attachItem = function(i)
    {
      var oTR = document.createElement('tr');      
      var tdIsbn = document.createElement('td');
      tdIsbn.appendChild(document.createTextNode(isbn10to13(this.items[i].isbn)));
      oTR.appendChild(tdIsbn);      
      var tdTitle = document.createElement('td');
      tdTitle.className = "title";
      var titleLink = document.createElement('a');
      var bookLink = this.items[i].getBookLink();
      //var bookLink = "/primary/newonix/domisbn/" + this.items[i].isbn + "?open&template=domPrimary&ed=site/primed3.nsf";
      titleLink.setAttribute('href',bookLink);
      titleLink.title = this.items[i].title;
      titleLink.appendChild(document.createTextNode(this.items[i].title));
      tdTitle.appendChild(titleLink);
      oTR.appendChild(tdTitle);      
      var tdPrice = document.createElement('td');      
      if((typeof checkTC == "undefined")||((typeof checkTC == "boolean")&&(checkTC == false))
      ||!this.items[i].isEClub())
      {
        if(this.items[i].price.indexOf('$') == -1)
        {
          var ePrice = "$" + this.items[i].price;
        } else {
          var ePrice = this.items[i].price;
        }
      } else {
        var ePrice = "-";
      }
      tdPrice.appendChild(document.createTextNode(ePrice));
      oTR.appendChild(tdPrice);      
      var tdClubPrice = document.createElement('td');
      if(this.items[i].isEClub()&&((typeof checkTC != "undefined")&&(checkTC == true)))
      {
        if(this.items[i].price.indexOf('$') == -1)
        {
          var ePrice = "$" + this.eClubPrice(i);
        } else {
          var ePrice = this.eClubPrice(i);
        }
      } else {
        var ePrice = "-";
      }
      tdClubPrice.appendChild(document.createTextNode(ePrice));
      oTR.appendChild(tdClubPrice);      
      var tdQuantity = document.createElement('td');
      var iQuantity = document.createElement('input');
      iQuantity.setAttribute('type','text');
      iQuantity.className = "units";
      iQuantity.setAttribute('value',this.items[i].quantity);
      if(this.items[i].buyInspect == "II")
      {
        iQuantity.disabled = true;
      }
      tdQuantity.appendChild(iQuantity);
      oTR.appendChild(tdQuantity);      
      var tdInspect = document.createElement('td');
      var iInspect = document.createElement('input');
      iInspect.setAttribute('type','radio');
      iInspect.setAttribute('name',('ib' + i));
      iInspect.setAttribute('value','I');
      if(this.items[i].buyInspect.substring(0,1) == "I")
      {
          if(document.attachEvent)
          {
            iInspect.onclick = function(oEvent){updateInspectBuy();}; 
          } else {
            iInspect.setAttribute('onclick','updateInspectBuy(event)'); 
          }
      } else {
        iInspect.disabled = true;
      }
      tdInspect.appendChild(iInspect);
      oTR.appendChild(tdInspect);      
      var tdBuy = document.createElement('td');
      var iBuy = document.createElement('input');
      iBuy.setAttribute('type','radio');
      iBuy.setAttribute('name',('ib' + i));
      iBuy.setAttribute('value','B');
      if(document.attachEvent)
      {
        iBuy.onclick = function(oEvent){updateInspectBuy();}; 
      } else {
        iBuy.setAttribute('onclick','updateInspectBuy(event)'); 
      }
      tdBuy.appendChild(iBuy);
      oTR.appendChild(tdBuy);      
      var tdRemove = document.createElement('td');
      tdRemove.className = "last";
      
      /*
      var aRemove = document.createElement('a');
      aRemove.setAttribute('href','#');
      aRemove.setAttribute('name',i);
      aRemove.className = "remove";
      if(document.attachEvent)
      {
        aRemove.onclick = function(oEvent){removefromOverviewCart();}; 
      } else {
        aRemove.setAttribute('onclick','removefromOverviewCart(event)'); 
      }
      aRemove.appendChild(document.createTextNode('remove'));
      */
      
      var aRemove = document.createElement('input');
      //aRemove.setAttribute('href','#');
      aRemove.setAttribute('name',i);
      aRemove.setAttribute('type','button');
      aRemove.value = 'remove';
      aRemove.className = "remove";
      if(document.attachEvent)
      {
        aRemove.onclick = function(oEvent){removefromOverviewCart();}; 
      } else {
        aRemove.setAttribute('onclick','removefromOverviewCart(event)'); 
      }      
      tdRemove.appendChild(aRemove);
      oTR.appendChild(tdRemove);      
      return oTR;
    };
       
    ShoppingCart.prototype.removeFromCartOverview = function(n)
    {      
      this.deleteFromCart(this.items[n].isbn);      
      this.updateShoppingCartOverview();
      this.updateShoppingSummary();
    };

    ShoppingCart.prototype.updateCartOverview = function(iQuantity)
    {
      var tempItems = new Array();
      for(var i=0; i < iQuantity.length; i++)
      {        
        if(iQuantity[i] != -1)this.items[i].quantity = iQuantity[i];          
        var tempArray = new Array();
        tempArray.push(this.items[i].isbn);
        tempArray.push(this.items[i].title);
        tempArray.push(this.items[i].price);
        tempArray.push(this.items[i].buyInspect);
        tempArray.push(this.items[i].quantity);
        tempArray.push(this.items[i].divCatStr);        
        tempItems.push(new CartItem(tempArray));
      }                  
      this.items = new Array();
      for(var i=0; i < tempItems.length; i++)
      {
        if(tempItems[i].quantity != 0)
        {
          var tempArray = new Array();
          tempArray.push(tempItems[i].isbn);
          tempArray.push(tempItems[i].title);
          tempArray.push(tempItems[i].price);
          tempArray.push(tempItems[i].buyInspect);
          tempArray.push(tempItems[i].quantity);
          tempArray.push(tempItems[i].divCatStr);
          this.items.push(new CartItem(tempArray));
        }
      }     
      this.save();
      this.updateShoppingCartOverview();
      this.updateShoppingSummary();
    };
    
    ShoppingCart.prototype.updateInspectBuy = function(i,ib)
    {
        this.items[i].buyInspect = this.items[i].buyInspect.substring(0,1) + ib;
        if(this.items[i].buyInspect == "II")
        {
          this.items[i].quantity = 1;
        }
        this.save();
        this.updateShoppingCartOverview();
        this.updateShoppingSummary();
    }; 


    ShoppingCart.prototype.getCheckoutConfirmationTable = function()
    {
          var oText = "<table><caption>Your pruchase:</caption>";
          oText += '<thead><tr>';
          oText += '<th>ISBN</th><th>Title</th><th>RRP</th><th>e-Club price</th><th>Quantity</th><th>Inspect</th><th class="last">Buy</th>';
          oText += '</tr></head>';
          oText += '<tbody>';
          for(var i=0; i < this.items.length; i++)
          {
            oText += '<tr>';
            oText += '<td>' + isbn10to13(this.items[i].isbn) + '</td>';
            oText += '<td class="title">' + this.items[i].title + '</td>';
            if(this.items[i].isEClub()&&((typeof checkTC != "undefined")&&(checkTC == true)))
            {
                oText += '<td>-</td><td>$' + this.eClubPrice(i) + '</td>';
            } else {
                oText += '<td>' + this.items[i].price + '</td><td>-</td>';
            } 
            oText += '<td>' + this.items[i].quantity + '</td>';
            if(this.items[i].buyInspect.substring(1) == "I")
            {
              oText += '<td><span class="ibSelect">inspect</span></td><td></td>';
            } else {
              oText += '<td></td><td><span class="ibSelect">buy</span></td>';
            }
            oText += '</tr>';
          }
          oText += "</tbody></table>";
          if((typeof checkTC != "undefined")&&(checkTC == true))
          {
            oText += '<p id="totalPrice"><span>Total purchase<br />$' + this.getEClubTotal() + '</span></p>';
          } else {
            oText += '<p id="totalPrice"><span>Total purchase<br />$' + this.getTotal() + '</span></p>';
          }
          
          return oText;
    };

    ShoppingCart.prototype.hasInspectedItem = function()
    {
      for(var i=0; i < this.items.length; i++)
      {
        if(this.items[i].buyInspect == "II")return true;
      }
      return false;
    };  
}
ShoppingCart._initialized = true;