// JavaScript Shopping Cart

//                                       

// JavaScript Cart V.1.0.0 





// This file requires variable defined in netmag_template_customization_1_0_0.js

// which must be inclueded in the HTML page before this file.



MonetarySymbol        = '$';

DisplayTaxRow         = false;

TaxRate               = 0.0;

TaxByRegion           = false;

TaxPrompt             = 'For tax purposes, please select if you are an New York resident before continuing';

TaxablePrompt         = 'New York Residents';

NonTaxablePrompt      = 'Other States';





// FUNCTION:    AddToCart                                           

// PARAMETERS:  SKU,Qty,Descr,Price, path to thumbnail image                                      

// RETURNS:     Cookie to user's browser, with prompt               

// PURPOSE:     Adds a product to the user's shopping cart          



function AddToCart(SKU,Qty,Descr,Price,ImgPath) {

	

   var iNumberOrdered = 0;

   var bAlreadyInCart = false;

   var notice = "";

   iNumberOrdered = GetCookie("NumberOrdered");



   if ( iNumberOrdered == null )

      iNumberOrdered = 0;



   //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[0] == SKU &&

           fields[2] == Price  &&

           fields[3] == Descr   &&

           fields[5] == ImgPath

         ) {

         bAlreadyInCart = true;

         dbUpdatedOrder = SKU    + "|" +

                          (parseInt(Qty)+parseInt(fields[1]))  + "|" +

                          Price     + "|" +

                          Descr      + "|" +

                          "0"  + "|" +

                          ImgPath;

         strNewOrder = "Order." + i;

         DeleteCookie(strNewOrder, "/");

         SetCookie(strNewOrder, dbUpdatedOrder, null, "/");

         notice = Qty + " x " + Descr + strAdded;

         break;

      }

   }





   if ( !bAlreadyInCart ) {

      iNumberOrdered++;



      if ( iNumberOrdered > 12 )

         alert( strSorry );

      else {

         dbUpdatedOrder = SKU    + "|" + 

                          Qty  + "|" +

                          Price     + "|" +

                          Descr      + "|" +

                          "0"  + "|" +

                          ImgPath;



         strNewOrder = "Order." + iNumberOrdered;

         SetCookie(strNewOrder, dbUpdatedOrder, null, "/");

         SetCookie("NumberOrdered", iNumberOrdered, null, "/");

         notice = Qty + " x " + Descr + strAdded;

      }

   }





      alert(notice)

}



// ************************ COOKIE FUNCTIONS *************************************



// 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";

   }

}



// ***************************** END COOKIE FUNCTIONS **********************



// FUNCTION:    DisplayCart

// PARAMETERS:  Null 

// RETURNS:     Product Table Written to Document  

// PURPOSE:     Draws current cart



function DisplayCart() {

   var iNumberOrdered = 0;    //Number of products ordered

   var fTotal         = 0;    //Total cost of order

   var fTax           = 0;    //Tax amount

   var fShipping      = 0;    //Shipping amount

   var strTotal       = "";   //Total cost formatted as money

   var strTax         = "";   //Total tax formatted as money

   var strShipping    = "";   //Total shipping formatted as money

   var strOutput      = "";   //String to be written to page

   var strUpdateAction ="";//



   iNumberOrdered = GetCookie("NumberOrdered");

   if ( iNumberOrdered == null )

      iNumberOrdered = 0;



	  strOutput = "<div id=\"basketh\">" +

                  "<ul>" +

                  "<li>"+strILabel+"</li>" +

                  "<li>"+strDLabel+"</li>" +

                  "<li>"+strPLabel+"</li>" +

					"<li>"+strQLabel+"</li>" +

					"<li>"+strSLabel+"</li>" +

					"<li>"+strALabel+"</li><br></ul>" +

					"</div>";



   if ( iNumberOrdered == 0 ) {

      strOutput += "<div id=\"basket\"><p class=\"p1\"><span>Your cart is empty</span></p></div>";

   }

	

	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 );					// SKU

		fields[1] = database.substring( Token0+1, Token1 );				// Quantity

		fields[2] = database.substring( Token1+1, Token2 );				// Price

		fields[3] = database.substring( Token2+1, Token3 );				// Product	

		fields[4] = database.substring( Token3+1, Token4 );				// Shipping Cost

		fields[5] = database.substring( Token4+1, database.length );	//Thumbnail Image



		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);

		indx=i-1;

		

		if ( iNumberOrdered == 1 ) {

		strUpdateAction="javascript:ChangeQuantity("+i+", document.cartform.qty.value);"

		} else {

		strUpdateAction="javascript:ChangeQuantity("+i+", document.cartform.qty["+indx+"].value);"

		}

		

		// Start to write out the item

		strOutput += "<div id=\"basketlist\"><ul>"

		// image

	//	strOutput += "<li>"  + fields[5] + "</li>";

	strOutput += "<li><img src=\"http://www.netmagazines.com/images/"+fields[5]+"\" width=\"50\" height=\"66\"  /></li>"

		// product name

		strOutput += "<li>"  + fields[3] + "</li>";

		// Unit Price

		strOutput += "<li>"+ MonetarySymbol + moneyFormat(fields[2]) + "</li>";

		//Quantity

		strOutput += "<li><span><input type=\"text\" name=\"qty\" size=\"2\" maxlength=\"3\"  value=\"" + fields[1] + "\" class=\"input1\" /></span></li>";

		// Line Total

		strOutput += "<li>"+MonetarySymbol + moneyFormat((parseInt(fields[1]) * parseFloat(fields[2]) ))+"</li>";

		// Action

		strOutput += "<li><a href=\""+strUpdateAction+"\"> <img src=\"images/button_update.gif\" width=\"57\" height=\"16\" alt=\"Update\" /></a><br /><br />"+

		"<a href=\"javascript:RemoveFromCart("+i+");\"> <img src=\"images/button_remove.gif\" width=\"57\" height=\"16\" alt=\"Remove\" /></a>"+

		"</li></ul><br></div>";

   }

   // end of line items

   strOutput += "<div id=\"total_box\"><div id=\"total\"><ul>";



   //Subtotal

   strOutput += "<li>"+strSUB+"</li>"

   strOutput += "<li>" + MonetarySymbol + strTotal + "</li>";

   strOutput += "</ul>";

   

   //don't do tax and shipping as this will be done by netmagazines

   g_TotalCost = (fTotal + fShipping + fTax);

  

	// end totals block, but not the div as there is still the checkout button to add

	//Check out button

	strOutput += "<span><a href=\"javascript:CheckOut("+g_TotalCost+")\"> <img src=\"images/b_checkout.gif\" alt=\"Proceed to Checkout\" /></a></span>";

	strOutput += "</div></div>"

	

	//write out the data to the page

	document.write(strOutput);

//	alert(strOutput);

	document.close();

}



// ***************** Functions used by "managecart" ************************************









// 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:    ChangeQuantity

// PARAMETERS:  Order Number to Change Quantity 

// RETURNS:     Null

// PURPOSE:     Changes quantity of an item in the shopping cart



function ChangeQuantity(OrderItem,NewQuantity) {

   if ( isNaN(NewQuantity) ) {

      alert( strErrQty +" - "+ NewQuantity );

   } else {

      NewOrder = "Order." + OrderItem;

      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] + "|" +

                       NewQuantity + "|" +

                       fields[2] + "|" +

                       fields[3] + "|" +

                       fields[4] + "|" +

                       fields[5];

      strNewOrder = "Order." + OrderItem;

      DeleteCookie(strNewOrder, "/");

      SetCookie(strNewOrder, dbUpdatedOrder, null, "/");

      location.href=location.href;      

   }

}



// FUNCTION:    CheckOut

// PARAMETERS:  Total 

// RETURNS:     null

// PURPOSE:    check cart is valid and trnasfer the basket to net magazines



function CheckOut(Total) {

var strLSURL     = ""; 

var strBTURL     = ""; 

var strItems ="";

if ( Total < MinimumOrder ) {

         alert( MinimumOrderPrompt );

         

      }else {

      strLSURL="http://click.linksynergy.com/fs-bin/click?id="+strLinkShareID+"&subid=1&offerid=50887.1&type=10&tmpid=1321&RD_PARM1="

      strBTURL= "http%3A%2F%2Fwww%2ENetMagazines%2Ecom%2Faddaffiliate%2Easp%3Fsourceid%3D"+strLinkShareID+"%3Fcatalog%3D"

      

      iNumberOrdered = GetCookie("NumberOrdered");

      if ( iNumberOrdered == null )

		 iNumberOrdered = 0;

		 

	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 );					// SKU

		fields[1] = database.substring( Token0+1, Token1 );				// Quantity

		fields[2] = database.substring( Token1+1, Token2 );				// Price

		fields[3] = database.substring( Token2+1, Token3 );				// Product	

		fields[4] = database.substring( Token3+1, Token4 );				// Shipping Cost

		fields[5] = database.substring( Token4+1, database.length );	//Thumbnail Image



		if ( strItems != "" )

		 strItems +="%2C";

		 

		strItems     += fields[0]+"%7C"+ fields[1];



		}

		 strBTURL+=strItems;

		 

       location.href= strLSURL+strBTURL ;

      }

}

// *******************************************************************************



// FUNCTION:    GotoLinkshareOffer

// PARAMETERS:  OfferID,SubID, Type 

// RETURNS:     null

// PURPOSE:    redirect to a URL



function GotoLinkshareOffer (OfferID, Type, SubID) {

	var URL="http://click.linksynergy.com/fs-bin/click?id="+strLinkShareID+"&offerid="+

	OfferID+"&type="+Type+"&subid="+SubID;

	location.href=URL;

}



// FUNCTION:    GotoLinkshareOffer

// PARAMETERS:  link (true/false)

// RETURNS:     null

// PURPOSE:    redirect to a URL



function DisplayEmail (bLink) {

	var strOutput="";



	if (bLink){

		strOutput="<a href=\"mailto:"+strSiteEmail+"\" class=\"K\">"+strSiteEmail+"</a>";	

	}

	else {

		strOutput=strSiteEmail;

	}

	

	//write out the data to the page

	document.write(strOutput);

	document.close();

}