//=====================================================================||
//                    Shopping Cart by Scott Moore                     ||
//=====================================================================||

DisplayNotice         = true;
DisplayShippingColumn = false;
DisplayShippingRow    = false;
DisplayTaxRow         = false;
TaxRate               = 0.0;
MonetarySymbol        = '$';
Language              = 'sp';


OutputItemId          = 'CODIGO';
OutputItemQuantity    = 'CANTIDAD';
OutputItemPrice       = 'PRICE_';
OutputItemName        = 'PRODUCTO';
OutputItemShipping    = 'SHIPPING_';
OutputItemAddtlInfo   = 'ADDTLINFO_';
OutputOrderSubtotal   = 'SUBTOTAL';
OutputOrderShipping   = 'SHIPPING';
OutputOrderTax        = 'TAX';
OutputOrderTotal      = 'TOTAL';
AppendItemNumToOutput = false;


bLanguageDefined = false;
if ( Language == 'en' || !bLanguageDefined ) {
   strSorry  = "I'm Sorry, your cart is full, please proceed to checkout.";
   strAdded  = " added to your shopping cart.";
   strRemove = "Click 'Ok' to remove this product from your shopping cart.";
   strILabel = "Product Id";
   strDLabel = "Product Name/Description";
   strQLabel = "Quantity";
   strPLabel = "Price";
   strSLabel = "Shipping";
   strRLabel = "Remove From Cart";
   strRButton= "Remove";
   strSUB    = " ";
   strSHIP   = "SHIPPING";
   strTAX    = "TAX";
   strTOT    = " ";
   strErrQty = "Invalid Quantity.";
   strNewQty = 'Please enter new quantity:';
   bLanguageDefined = true;
}
if ( Language == 'sp' ) {
   strSorry  = "Su pedido está completo y ya puede enviarlo. Recuerde remover los productos si desea hacer otro pedido.";
   strAdded  = " - Añadido a su pedido.";
   strRemove = "Presione 'Aceptar' para remover este producto de su pedido.";
   strILabel = "Código de Producto";
   strDLabel = "Nombre de Producto";
   strQLabel = "Cantidad";
   strSLabel = "Costos de envío";
   strRLabel = "Remover del pedido";
   strRButton= "Remover";
   strSHIP   = "TRANSPORTE";
   strTAX    = "COSTO DEL ENVIO";
   strErrQty = "Cantidad inválida.";
   strNewQty = 'Por favor digite una nueva cantidad:';
   bLanguageDefined = true;
}


function CKquantity(checkString) {
   var strNewQuantity = "";

   for ( i = 0; i < checkString.length; i++ ) {
      ch = checkString.substring(i, i+1);
      if ( (ch >= "0" && ch <= "9") || (ch == '.') )
         strNewQuantity += ch;
   }

   if ( strNewQuantity.length < 1 )
      strNewQuantity = "1";

   return(strNewQuantity);
}


function AddToCart(thisForm) {
   var iNumberOrdered = 0;
   var bAlreadyInCart = false;
   var notice = "";
   iNumberOrdered = GetCookie("NumberOrdered");

   if( iNumberOrdered == null )
      iNumberOrdered = 0;

   if ( thisForm.ID_NUM == null )
      strID_NUM    = "";
   else
      strID_NUM    = thisForm.ID_NUM.value;

   if ( thisForm.QUANTITY == null )
      strQUANTITY  = "1";
   else
      strQUANTITY  = thisForm.QUANTITY.value;

   if ( thisForm.PRICE == null )
      strPRICE     = "0.00";
   else
      strPRICE     = thisForm.PRICE.value;

   if ( thisForm.NAME == null )
      strNAME      = "";
   else
      strNAME      = thisForm.NAME.value;

   if ( thisForm.SHIPPING == null )
      strSHIPPING  = "0.00";
   else
      strSHIPPING  = thisForm.SHIPPING.value;
 
   if ( thisForm.ADDITIONALINFO == null )
      strADDTLINFO = "";
   else
      strADDTLINFO = thisForm.ADDITIONALINFO[thisForm.ADDITIONALINFO.selectedIndex].value;

   //Is this product already in the cart?  If so, increment quantity instead of adding another.
   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      database = GetCookie(NewOrder);
 
      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);
 
      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );
 
      if ( fields[3] == strNAME &&
           fields[0] == strID_NUM &&
           fields[5] == strADDTLINFO
         ) {
         bAlreadyInCart = true;
         dbUpdatedOrder = strID_NUM    + "|" +
                          (parseInt(strQUANTITY)+parseInt(fields[1]))  + "|" +
                          strPRICE     + "|" +
                          strNAME      + "|" +
                          strSHIPPING  + "|" +
                          strADDTLINFO;
         strNewOrder = "Order." + i;
         DeleteCookie(strNewOrder, "/");
         SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
         notice = strQUANTITY + " " + strNAME + strAdded;
         break;
      }
   }


   if( !bAlreadyInCart ) {
      iNumberOrdered++;

      if ( iNumberOrdered > 12 )
         alert( strSorry );
      else {
         dbUpdatedOrder = strID_NUM    + "|" + 
                          strQUANTITY  + "|" +
                          strPRICE     + "|" +
                          strNAME      + "|" +
                          strSHIPPING  + "|" +
                          strADDTLINFO;

         strNewOrder = "Order." + iNumberOrdered;
         SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
         SetCookie("NumberOrdered", iNumberOrdered, null, "/");
         notice = strQUANTITY + " " + strNAME + strAdded;
      }
   }

   if( DisplayNotice )
      alert(notice);
}


function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);

   if ( endstr == -1 )
      endstr = document.cookie.length;
   return(unescape(document.cookie.substring(offset, endstr)));
}


function FixCookieDate (date) {
   var base = new Date(0);
   var skew = base.getTime();

   date.setTime (date.getTime() - skew);
}


function GetCookie (name) {
   var arg = name + "=";
   var alen = arg.length;
   var clen = document.cookie.length;
   var i = 0;

   while ( i < clen ) {
      var j = i + alen;
      if ( document.cookie.substring(i, j) == arg ) return(getCookieVal (j));
      i = document.cookie.indexOf(" ", i) + 1;
      if ( i == 0 ) break;
   }

   return(null);
}


function SetCookie (name,value,expires,path,domain,secure) {
   document.cookie = name + "=" + escape (value) +
                     ((expires) ? "; expires=" + expires.toGMTString() : "") +
                     ((path) ? "; path=" + path : "") +
                     ((domain) ? "; domain=" + domain : "") +
                     ((secure) ? "; secure" : "");
}


function DeleteCookie (name,path,domain) {
   if ( GetCookie(name) ) {
      document.cookie = name + "=" +
                        ((path) ? "; path=" + path : "") +
                        ((domain) ? "; domain=" + domain : "") +
                        "; expires=Thu, 01-Jan-70 00:00:01 GMT";
   }
}


function moneyFormat(input) {
   var dollars = Math.floor(input);
   var tmp = new String(input);

   for ( var decimalAt = 0; decimalAt < tmp.length; decimalAt++ ) {
      if ( tmp.charAt(decimalAt)=="." )
         break;
   }

   var cents  = "" + Math.round(input * 100);
   cents = cents.substring(cents.length-2, cents.length)
           dollars += ((tmp.charAt(decimalAt+2)=="9")&&(cents=="00"))? 1 : 0;

   if ( cents == "0" )
      cents = "00";

   return(dollars + "." + cents);
}


function RemoveFromCart(RemOrder) {
   if ( confirm( strRemove ) ) {
      NumberOrdered = GetCookie("NumberOrdered");
      for ( i=RemOrder; i < NumberOrdered; i++ ) {
         NewOrder1 = "Order." + (i+1);
         NewOrder2 = "Order." + (i);
         database = GetCookie(NewOrder1);
         SetCookie (NewOrder2, database, null, "/");
      }
      NewOrder = "Order." + NumberOrdered;
      SetCookie ("NumberOrdered", NumberOrdered-1, null, "/");
      DeleteCookie(NewOrder, "/");
      location.href=location.href;
   }
}


function ChangeQuantity(QtyOrder,CurrQty) {
   var newQty;

   newQty=prompt(strNewQty,CurrQty);
   if( isNaN(newQty) ) {
      alert( strErrQty );
   } else {
      NewOrder = "Order." + QtyOrder;
      database = "";
      database = GetCookie(NewOrder);
 
      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);
 
      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );
 
      dbUpdatedOrder = fields[0] + "|" +
                       newQty    + "|" +
                       fields[2] + "|" +
                       fields[3] + "|" +
                       fields[4] + "|" +
                       fields[5];
      strNewOrder = "Order." + QtyOrder;
      DeleteCookie(strNewOrder, "/");
      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");

      return true;
   }

   return false;
}


function GetFromCart( fShipping ) {
   if( fShipping )
      WriteToForm( true, fShipping );
   else
      WriteToForm( true, 0 );
}


function WriteToForm( bDisplay, fShipping ) {
   var iNumberOrdered = 0;
   var fTotal         = 0;
   var strTotal       = "";
   var strShipping    = "";
   var strOutput      = "";
   iNumberOrdered = GetCookie("NumberOrdered");

   if ( bDisplay )
      strOutput = "<TABLE BORDER CLASS=\"nopcart\"><TR>" +
                  "<TD CLASS=\"nopheader\">"+strDLabel+"</TD>" +
                  "<TD CLASS=\"nopheader\">"+strILabel+"</TD>" +
                  "<TD CLASS=\"nopheader\">"+strQLabel+"</TD></TR>";

   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      database = GetCookie(NewOrder);

      Token0 = database.indexOf("|", 0);
      Token1 = database.indexOf("|", Token0+1);
      Token2 = database.indexOf("|", Token1+1);
      Token3 = database.indexOf("|", Token2+1);
      Token4 = database.indexOf("|", Token3+1);

      fields = new Array;
      fields[0] = database.substring( 0, Token0 );
      fields[1] = database.substring( Token0+1, Token1 );
      fields[2] = database.substring( Token1+1, Token2 );
      fields[3] = database.substring( Token2+1, Token3 );
      fields[4] = database.substring( Token3+1, Token4 );
      fields[5] = database.substring( Token4+1, database.length );

      fTotal     += (parseInt(fields[1]) * parseFloat(fields[2]) );
      fShipping  += (parseInt(fields[1]) * parseFloat(fields[4]) );
      fTax        = (fTotal * TaxRate);
      strTotal    = moneyFormat(fTotal);
      strTax      = moneyFormat(fTax);
      strShipping = moneyFormat(fShipping);

      if ( bDisplay ) {

         if ( fields[5] == "" )
            strOutput += "<TR><TD CLASS=\"nopentry\">"  + fields[3] + "</TD>";
         else
            strOutput += "<TD CLASS=\"nopentry\">"  + fields[3] + " - <I>"+ fields[5] + "</I></TD>";

         strOutput += "<TD CLASS=\"nopentry\">"  + fields[0] + "</TD>";
			
         strOutput += "<TD CLASS=\"nopentry\">" + fields[1] + "</TD>";

         if ( DisplayShippingColumn ) {
            if ( parseFloat(fields[4]) > 0 )
               strOutput += "<TD CLASS=\"nopentry\">"+ MonetarySymbol + moneyFormat(fields[4]) + "/ea</TD>";
            else
               strOutput += "<TD CLASS=\"nopentry\">N/A</TD>";
         }

         strOutput += "<TD CLASS=\"nopentry\" ALIGN=CENTER><input type=button value=\" "+strRButton+" \" onClick=\"RemoveFromCart("+i+")\" class=\"nopbutton\"></TD></TR>";
      }

      if( AppendItemNumToOutput ) {
         strFooter = i;
      } else {
         strFooter = "";
      }
      strOutput += "<input type=hidden name=\"" + OutputItemName      + strFooter + "\" value=\"" + fields[3] + "\">";
      strOutput += "<input type=hidden name=\"" + OutputItemId        + strFooter + "\" value=\"" + fields[0] + "\">";
      strOutput += "<input type=hidden name=\"" + OutputItemQuantity  + strFooter + "\" value=\"" + fields[1] + "\">";
	  
   }

   if ( bDisplay ) {
      strOutput += "<TR><TD CLASS=\"noptotal\" COLSPAN=4><B>"+strSUB+"</B></TD>";
      strOutput += "</TR>";

      if ( DisplayShippingRow ) {
         strOutput += "<TR><TD CLASS=\"noptotal\" COLSPAN=4><B>"+strSHIP+"</B></TD>";
         strOutput += "<TD CLASS=\"noptotal\" COLSPAN=2><B>" + MonetarySymbol + strShipping + "</B></TD>";
         strOutput += "</TR>";
      }

      if ( DisplayTaxRow ) {
         strOutput += "<TR><TD CLASS=\"noptotal\" COLSPAN=4><B>"+strTAX+"</B></TD>";
         strOutput += "<TD CLASS=\"noptotal\" COLSPAN=2><B>" + MonetarySymbol + strTax + "</B></TD>";
         strOutput += "</TR>";
      }

      strOutput += "<TR><TD CLASS=\"noptotal\" COLSPAN=4><B>"+strTOT+"</B></TD>";
      strOutput += "</TR>";
      strOutput += "</TABLE>";
   }

   document.write(strOutput);
   document.close();
}