//=====================================================================||
//                      LIMAnet Shopping Cart                          ||
//                                                                     ||
//---------------------------------------------------------------------||
//                       Global Options                                ||
//                      ----------------                               ||
// Shopping Cart Options, you can modify these options to change the   ||
// the way the cart functions.                                         ||
//                                                                     ||
// Options For Everyone:                                               ||
// =====================                                               ||
// * DisplayNotice: true/false, controls whether the user is provided  ||
//   with a popup letting them know their product is added to the cart ||
// * DisplayShippingColumn: true/false, controls whether the managecart||
//   and checkout pages display shipping cost column.                  ||
// * DisplayShippingRow: true/false, controls whether the managecart   ||
//   and checkout pages display shipping cost total row.               ||
// * DisplayTaxRow: true/false, controls whether the managecart        ||
//   and checkout pages display tax cost total row.                    ||
// * TaxRate: number, your area's current tax rate, ie: if your tax    ||
//   rate was 17.5%, you would set TaxRate = 0.175                     ||
// * MonetarySymbol: string, the symbol which represents dollars/euro, ||
//   in your locale.                                                   ||
//                                                                     ||
// Options For Programmers:                                            ||
// ========================                                            ||
// * OutputItem<..>: string, the name of the pair value passed at      ||
//   checkouttime.  Change these only if you are connecting to a CGI   ||
//   script and need other field names, or are using a secure service  ||
//   that requires specific field names.                               ||
// * AppendItemNumToOutput: true/false, if set to true, the number of  ||
//   each ordered item will be appended to the output string.  For     ||
//   example if OutputItemId is 'ID_' and this is set to true, the     ||
//   output field name will be 'ID_1', 'ID_2' ... for each item.       ||
//---------------------------------------------------------------------||

DisplayNotice = true;

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.";
strAllRem = "Click 'OK' to remove all products from your shopping cart.";
strErrQty = "Invalid Quantity.";
strNewQty = "Please enter new quantity:";
strEmpty  = "Your cart is currently empty.";
strNEmpty = "Your cart is now empty.";
bLanguageDefined = true;


//---------------------------------------------------------------------||
// FUNCTION:    CKquantity                                             ||
// PARAMETERS:  Quantity to                                            ||
// RETURNS:     Quantity as a number, and possible alert               ||
// PURPOSE:     Make sure quantity is represented as a number          ||
//---------------------------------------------------------------------||
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                                              ||
// PARAMETERS:  Form Object                                            ||
// RETURNS:     Cookie to user's browser, with prompt                  ||
// PURPOSE:     Adds a product to the user's shopping cart             ||
//---------------------------------------------------------------------||
function AddToCart(thisForm) {
   var iNumberOrdered = 0;
   var bAlreadyInCart = false;
   var notice = "";
   iNumberOrdered = GetCookie("NumberOrdered");

   if ( iNumberOrdered == null )
       iNumberOrdered = 0;

   if ( thisForm.item_number == null )
      strItem_number    = "";
   else
      strItem_number    = thisForm.item_number.value;

   if ( thisForm.quantity == null )
      strQuantity  = "1";
   else
      strQuantity  = thisForm.quantity.value;

   if ( thisForm.amount == null )
      strAmount = "0.00";
   else
      strAmount = thisForm.amount.value;

   if ( thisForm.item_name == null )
      strItem_name = "";
   else
      strItem_name = thisForm.item_name.value;

   if ( thisForm.shipping == null ) 
      strShipping = "0";
   else
      strShipping = thisForm.shipping.value;

   if ( thisForm.os0 == null ) {
      strOs0 = "";
   } else {
      if ( thisForm.os0.type == "text" ) { 
         strOs0 = thisForm.os0.value;
      } else {
         strOs0 = thisForm.os0[thisForm.os0.selectedIndex].value;
      }
   }
   
   if ( thisForm.os1 == null ) {
      strOs1 = "";
   } else {
      if ( thisForm.os1.type == "text" ) { 
         strOs1 = thisForm.os1.value;
      } else {
         strOs1 = thisForm.os1[thisForm.os1.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);
      Token5 = database.indexOf("|", Token4+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, Token5 );
      fields[6] = database.substring( Token5+1, database.length );
 
      if ( fields[0] == strItem_number &&
           fields[2] == strAmount  &&
           fields[3] == strItem_name   &&
           fields[5] == strOs0 &&
           fields[6] == strOs1
         ) {
         bAlreadyInCart = true;
         dbUpdatedOrder = strItem_number + "|" +
                          (parseInt(strQuantity)+parseInt(fields[1]))  + "|" +
                          strAmount      + "|" +
                          strItem_name   + "|" +
                          strShipping    + "|" +
                          strOs0         + "|" +
                          strOs1;
         strNewOrder = "Order." + i;
         DeleteCookie(strNewOrder, "/");
         SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
         notice = strQuantity + " " + strItem_name + strAdded;
         break;
     }
   }


   if( !bAlreadyInCart ) {
      iNumberOrdered++;

      if ( iNumberOrdered > 12 )
         alert( strSorry );
      else {
         dbUpdatedOrder = strItem_number + "|" + 
                          strQuantity    + "|" +
                          strAmount      + "|" +
                          strItem_name   + "|" +
                          strShipping    + "|" +
                          strOs0         + "|" +
                          strOs1;

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

   if ( DisplayNotice ) {
      if (notice != "") {
         alert(notice);
      }
   }
}


//---------------------------------------------------------------------||
// FUNCTION:    getCookieVal                                           ||
// PARAMETERS:  offset                                                 ||
// RETURNS:     URL unescaped Cookie Value                             ||
// PURPOSE:     Get a specific value from a cookie                     ||
//---------------------------------------------------------------------||
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                                          ||
// PARAMETERS:  date                                                   ||
// RETURNS:     date                                                   ||
// PURPOSE:     Fixes cookie date, stores back in date                 ||
//---------------------------------------------------------------------||
function FixCookieDate (date) {
   var base = new Date(0);
   var skew = base.getTime();

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


//---------------------------------------------------------------------||
// FUNCTION:    GetCookie                                              ||
// PARAMETERS:  Name                                                   ||
// RETURNS:     Value in Cookie                                        ||
// PURPOSE:     Retrieves cookie from users browser                    ||
//---------------------------------------------------------------------||
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                                              ||
// PARAMETERS:  name, value, expiration date, path, domain, security   ||
// RETURNS:     Null                                                   ||
// PURPOSE:     Stores a cookie in the users browser                   ||
//---------------------------------------------------------------------||
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                                           ||
// PARAMETERS:  Cookie name, path, domain                              ||
// RETURNS:     null                                                   ||
// PURPOSE:     Removes a cookie from users browser.                   ||
//---------------------------------------------------------------------||
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                                            ||
// PARAMETERS:  Number to be formatted                                 ||
// RETURNS:     Formatted Number                                       ||
// PURPOSE:     Reformats Dollar Amount to #.## format                 ||
//---------------------------------------------------------------------||
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                                         ||
// PARAMETERS:  Order Number to Remove                                 ||
// RETURNS:     Null                                                   ||
// PURPOSE:     Removes an item from a users shopping cart             ||
//---------------------------------------------------------------------||
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:    RemoveAllFromCart                                      ||
// PARAMETERS:  Boolean:Display a Confirmation Popup                   ||
//              Boolean: Redisplay the page from which function was    ||
//                       called                                        ||
//              Boolean: Display empty cart message                    ||
// RETURNS:     Null                                                   ||
// PURPOSE:     Removes all items from a users shopping cart           ||
//---------------------------------------------------------------------||
function RemoveAllFromCart(DispConf, ReDispPage, DispEmpty) {
   if (ChkNumberOrdered()) {
      if (!DispConf || (DispConf && confirm( strAllRem ))) {
         NumberOrdered = GetCookie("NumberOrdered");
         for ( i=1; i <= NumberOrdered; i++ ) {
            DelOrder = "Order." + (i);
            DeleteCookie(DelOrder, "/");
         }
         DeleteCookie("NumberOrdered", "/");
         if (ReDispPage) {
            location.href=location.href;
         } 
         if (DispEmpty) {
            alert( strNEmpty );
         }
      }
   }
}

function UpdateShippingCost(shippingType) {
   var iNumberOrdered = 0;
   iNumberOrdered = GetCookie("NumberOrdered");

   if( iNumberOrdered == null )
       iNumberOrdered = 0;

   //Update shipping cost for each item
   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);
      Token5 = database.indexOf("|", Token4+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, Token5 );
      fields[6] = database.substring( Token5+1, database.length );
     

      dbUpdatedOrder = fields[0] + "|" +
                       fields[1] + "|" +
                       fields[2] + "|" +
                       fields[3] + "|" +
                       fields[4] + "|" +
                       fields[5] + "|" +
                       fields[6];
      strNewOrder = "Order." + i;
      DeleteCookie(strNewOrder, "/");
      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
   }
   location.href=location.href;
}

//---------------------------------------------------------------------||
// FUNCTION:    ChangeQuantity                                         ||
// PARAMETERS:  Order Number to Change Quantity                        ||
// RETURNS:     Null                                                   ||
// PURPOSE:     Changes quantity of an item in the shopping cart       ||
//---------------------------------------------------------------------||
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);
      Token5 = database.indexOf("|", Token4+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, Token5 );
      fields[6] = database.substring( Token5+1, database.length );
 
      dbUpdatedOrder = fields[0] + "|" +
                       newQty    + "|" +
                       fields[2] + "|" +
                       fields[3] + "|" +
                       fields[4] + "|" +
                       fields[5] + "|" +
                       fields[6];
      strNewOrder = "Order." + QtyOrder;
      DeleteCookie(strNewOrder, "/");
      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");

      return true;
   }

   return false;
}

//---------------------------------------------------------------------||
// FUNCTION:    ChkNumberOrdered                                       ||
// PARAMETERS:  Null                                                   ||
// RETURNS:     True/False                                             ||
// PURPOSE:     Returns false if number ordered is 0                   ||
//---------------------------------------------------------------------||
function ChkNumberOrdered() {
   iNumberOrdered = GetCookie("NumberOrdered");

   if( iNumberOrdered == null )
    iNumberOrdered = 0;
 
   if( iNumberOrdered == 0) {
      alert( strEmpty );
      return(false);
   }

   return true;
}


//=====================================================================||
//                     END LIMAnet Shopping Cart                       ||
//=====================================================================||