//Options for Programmers:
OutputItemId          = 'ID_';

AppendItemNumToOutput = true;
HiddenFieldsToCheckout = false;

strSorry  = "You already have that swatch in your basket.";
strAdded  = " added to your order basket.";
strRemove = "Click 'Ok' to remove this swatch from your order basket.";
strILabel = "Swatch Num";
strRLabel = "Remove From basket";
strRButton= "Remove";
strErrQty = "Invalid Quantity.";


Language = 'en';
bLanguageDefined = true;



//---------------------------------------------------------------------||
// 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.ID_NUM == null )
      strID_NUM    = "";
   else
      strID_NUM    = thisForm.ID_NUM.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;
      prev_strID_NUM = "";
      prev_strID_NUM = GetCookie(NewOrder);
      if ( prev_strID_NUM == strID_NUM
         ) {
         bAlreadyInCart = true;
		 alert(strSorry)
         break;
      }
   }


   if ( !bAlreadyInCart ) {
      iNumberOrdered++;
      dbUpdatedOrder = strID_NUM;
      strNewOrder = "Order." + iNumberOrdered;
      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");
      SetCookie("NumberOrdered", iNumberOrdered, null, "/");
      notice = "Swatch Ref: " + strID_NUM + strAdded;
	  //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:    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 emptyCart(){
	NumberOrdered = GetCookie("NumberOrdered");
	//alert(NumberOrdered)
    DeleteCookie("NumberOrdered", "/");
}
  

function GetFromCart( fShipping ) {
   ManageCart( );
}


//---------------------------------------------------------------------||
// FUNCTION:    RadioChecked                                           ||
// PARAMETERS:  Radio button to check                                  ||
// RETURNS:     True if a radio has been checked                       ||
// PURPOSE:     Form fillin validation                                 ||
//---------------------------------------------------------------------||
function RadioChecked( radiobutton ) {
   var bChecked = false;
   var rlen = radiobutton.length;
   for ( i=0; i < rlen; i++ ) {
      if ( radiobutton[i].checked )
         bChecked = true;
   }    
   return bChecked;
} 


//---------------------------------------------------------------------||
// FUNCTION:    QueryString                                            ||
// PARAMETERS:  Key to read                                            ||
// RETURNS:     value of key                                           ||
// PURPOSE:     Read data passed in via GET mode                       ||
//---------------------------------------------------------------------||
QueryString.keys = new Array();
QueryString.values = new Array();
function QueryString(key) {
   var value = null;
   for (var i=0;i<QueryString.keys.length;i++) {
      if (QueryString.keys[i]==key) {
         value = QueryString.values[i];
         break;
      }
   }
   return value;
} 

//---------------------------------------------------------------------||
// FUNCTION:    QueryString_Parse                                      ||
// PARAMETERS:  (URL string)                                           ||
// RETURNS:     null                                                   ||
// PURPOSE:     Parses query string data, must be called before Q.S.   ||
//---------------------------------------------------------------------||
function QueryString_Parse() {
   var query = window.location.search.substring(1);
   var pairs = query.split("&"); for (var i=0;i<pairs.length;i++) {
      var pos = pairs[i].indexOf('=');
      if (pos >= 0) {
         var argname = pairs[i].substring(0,pos);
         var value = pairs[i].substring(pos+1);
         QueryString.keys[QueryString.keys.length] = argname;
         QueryString.values[QueryString.values.length] = value;
      }
   }
}


//---------------------------------------------------------------------||
// FUNCTION:    ManageCart                                             ||
// PARAMETERS:  footer: boolean to say you want to put the 'send	   || 
//					order' link                                        ||
// RETURNS:     Product Table Written to Document                      ||
// PURPOSE:     Draws current cart product table on HTML page          ||
//---------------------------------------------------------------------||
function ManageCart(footer) {
   var iNumberOrdered = 0;    //Number of products ordered
   var strOutput      = "";   //String to be written to page
   var bDisplay       = true; //Whether to write string to the page (here for programmers)

   iNumberOrdered = GetCookie("NumberOrdered");
   if ( iNumberOrdered == null )
      iNumberOrdered = 0;
   strOutput = "<TABLE  width=\"148\" CLASS=\"basketTbl\"><TR>" 
   if (iNumberOrdered == 0)
   		strOutput += "<TR><TD CLASS=\"nopentry\">your basket is empty</TD>";
   for ( i = 1; i <= iNumberOrdered; i++ ) {
      NewOrder = "Order." + i;
      database = "";
      idNUM = GetCookie(NewOrder);
         strOutput += "<TR><TD CLASS=\"nopentry\">Ref: "  + idNUM + "</TD>";
         strOutput += "<TD CLASS=\"nopentry\" ALIGN=CENTER><input type=button value=\" "+strRButton+" \" onClick=\"RemoveFromCart("+i+")\" class=\"orderBtn\">";
		 strOutput += "<input type=hidden name=\"Swatch Ref:" + i + "\" value=\"" + idNUM + "\"></TD></TR>";
   }
   strOutput += "</table>"
   if ( iNumberOrdered > 0)
   		if (footer)
       		strOutput += "<span class=\"swatchCopy padding4\">click <a href=\"07_20_samples.asp\">here</a> to send order</span>";
   document.write(strOutput);
   document.close();
}