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/*
* cmdatatagutils.js
*
* Coremetrics Tag v3.1, 2/28/2002
* COPYRIGHT 1999-2002 COREMETRICS, INC.
* ALL RIGHTS RESERVED. U.S.PATENT PENDING
*
* The following functions aid in the creation of Coremetrics data tags.
*
*/

// TAG GENERATING FUNCTIONS ---------------------------------------------------


/*
* Calling this function points tags to the production database
*/
function cmSetProduction(){
	cm_HOST="www25.BathAndBodyWorks.com/eluminate?";
}

/*
* Creates a Tech Props tag.
* pageID		: required. Page ID to set on this Pageview tag
*/
function cmCreateTechPropsTag(pageID, categoryID) {
	if (pageID) {
		var cm=new _cm("tid", "6", "vn2", "e3.1");
		cm.pc="Y";
		cm.pi = pageID;
		cm.cg = categoryID;
		// if available, override the referrer with the frameset referrer
		if (parent.cm_ref != null) {
			cm.rf = parent.cm_ref;
			parent.cm_ref = document.URL;
		}
		cm.addTP();
		cm.writeImg();
	}
}

/*
* Creates a Pageview tag with the given Page ID
*
* pageID		: required. Page ID to set on this Pageview tag
* searchString	: optional. Internal search string enterred by user to reach
*				  this page.
* categoryID	: optional. Category ID to set on this Pageview tag
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreatePageviewTag(pageID, searchString, categoryID, numSearchResults) {
	if (pageID == null) {
		pageID = getDefaultPageID();
	}

	var cm = new _cm("tid", "1", "vn2", "e3.1");
	cm.pi = pageID;
	if (searchString) {
		cm.se = searchString;
	}
	if (numSearchResults){
		cm.sr = numSearchResults;
	}
	if (categoryID) {
		cm.cg = categoryID;
	}

	// if available, override the referrer with the frameset referrer
	if (parent.cm_ref != null) {
		cm.rf = parent.cm_ref;
		parent.cm_ref = document.URL;
	}

	cm.writeImg();
}

/*
* Creates a Pageview tag with the default value for Page ID.
* Format of Page ID is "x/y/z/MyPage.asp"
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateDefaultPageviewTag() {
	cmCreatePageviewTag(getDefaultPageID(), null, null);
}

/*
* Creates a Productview Tag
* Also creates a Pageview Tag by setting pc="Y"
* Format of Page ID is "PRODUCT: <Product Name> (<Product ID>)"
*
* productID	: required. Product ID to set on this Productview tag
* productName	: required. Product Name to set on this Productview tag
* categoryID	: optional. Category ID to set on this Productview tag
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateProductviewTag(productID, productName, categoryID) {
	var cm = new _cm("tid", "5", "vn2", "e3.1");

	if (productName == null) {
		productName = "";
	}

	// if available, override the referrer with the frameset referrer
	if (parent.cm_ref != null) {
		cm.rf = parent.cm_ref;
		parent.cm_ref = document.URL;
	}

	cm.pr = productID;
	cm.pm = productName;
	cm.cg = categoryID;

	cm.pc = "Y";
	cm.pi = "PRODUCT: " + productName + " (" + productID + ")";

	cm.writeImg();
}

/*
* Variables and Arrays to support Lineitem Aggregation
*/

var cmShopProducts = new Array();
var cmShopIds = new Array();
var cmShopCats = new Array();
var cmShopQtys = new Array();
var cmShopPrices = new Array();
var cmShopSKUs = new Array();
var cmShopCounter = 0;
var cmShopOrderIds = new Array();
var cmShopCustomerIds = new Array();
var cmShopOrderPrices = new Array();

/* Internal, to support aggregation */
function cmGetProductIndex(id){
	var i =0;
	for (i=0; i<cmShopCounter; i++)
	{
		if (id==cmShopIds[i])
		{
			return i;
		}
	}
	return -1;
}

/*
* Creates a Shop tag with Action 5 (Shopping Cart)
*
* productID	: required. Product ID to set on this Shop tag
* quantity	: required. Quantity to set on this Shop tag
* productPrice	: required. Price of one unit of this product
* categoryID	: optional. Category to set on this Shop tag
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateShopAction5Tag(productID, productName, productQuantity, productPrice, categoryID) {
	var index = cmGetProductIndex(productID);
	if(index!=-1){
		var oldPrice = cmShopPrices[index];
		var oldQty = cmShopQtys[index];
		var newQty = oldQty + parseInt(productQuantity);
		var newPrice = (oldPrice*oldQty + parseInt(productQuantity)*parseFloat(productPrice))/(newQty);

		cmShopPrices[index] = newPrice;
		cmShopQtys[index] = newQty;

	} else {
		if (!categoryID) {
			categoryID = "";
		}

		cmShopProducts[cmShopCounter] = productName;
		cmShopIds[cmShopCounter] = productID;
		cmShopCats[cmShopCounter] = categoryID;
		cmShopQtys[cmShopCounter] = parseInt(productQuantity);
		cmShopPrices[cmShopCounter] = parseFloat(productPrice);
		cmShopCounter++;
	}
}

/* render the aggregated cart lineitems with Shop 5 tags*/
function cmDisplayShop5s(){
	var i;
	for(i=0; i<cmShopCounter;i++){
		var cm = new _cm("tid", "4", "vn2", "e3.1");
		cm.at = "5";
		cm.pr = cmShopIds[i];
		cm.pm = cmShopProducts[i];
		cm.cg = cmShopCats[i];
		cm.qt = cmShopQtys[i] ;
		cm.bp = cmShopPrices[i];
		cm.pc = "N";
		cm.writeImg();
	}
	cmShopCounter=0;
}

/*
* Creates a Shop tag with Action 9 (Order Receipt / Confirmed)
*
* productID	: required. Product ID to set on this Shop tag
* productName	: required. Product Name to set on this Shop tag
* quantity	: required. Quantity to set on this Shop tag
* productPrice	: required. Price of one unit of this product
* customerID	: required. ID of customer making the purchase
* orderID	: required. ID of order this lineitem belongs to
* orderTotal	: required. Total price of order this lineitem belongs to
* categoryID	: optional. Category to set on this Shop tag
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateShopAction9Tag(productID, productName, productQuantity, productPrice, customerID, orderID, orderTotal, categoryID) {
	var index = cmGetProductIndex(productID);
	if(index!=-1){
		var oldPrice = cmShopPrices[index];
		var oldQty = cmShopQtys[index];
		var newQty = oldQty + parseInt(productQuantity);
		var newPrice = (oldPrice*oldQty + parseInt(productQuantity)*parseFloat(productPrice))/(newQty);

		cmShopPrices[index] = newPrice;
		cmShopQtys[index] = newQty;
		cmShopSKUs[index] = "|" + productID + "|" + newPrice + "|" + newQty + "|";
	} else {
		if (!categoryID) {
			categoryID = "";
		}
		cmShopProducts[cmShopCounter] = productName;
		cmShopIds[cmShopCounter] = productID;
		cmShopOrderIds[cmShopCounter] = orderID;
		cmShopOrderPrices[cmShopCounter] = orderTotal;
		cmShopCustomerIds[cmShopCounter] = customerID;
		cmShopCats[cmShopCounter] = categoryID;
		cmShopQtys[cmShopCounter] = parseInt(productQuantity);
		cmShopPrices[cmShopCounter] = parseFloat(productPrice);
		cmShopSKUs[cmShopCounter] = "|" + productID + "|" + productPrice + "|" + productQuantity + "|";
		cmShopCounter++;
	}
}


/* render the aggregated order lineitems with Shop 9 tags*/
function cmDisplayShop9s(){
	var i;
	for(i=0; i<cmShopCounter;i++){
		var cm = new _cm("tid", "4", "vn2", "e3.1");
		cm.at = "9";
		cm.pr = cmShopIds[i];
		cm.pm = cmShopProducts[i];
		cm.cg = cmShopCats[i];
		cm.qt = cmShopQtys[i] ;
		cm.bp = cmShopPrices[i];
		cm.cd = cmShopCustomerIds[i];
		cm.on = cmShopOrderIds[i];
		cm.tr = cmShopOrderPrices[i];

		cm.pc = "N";
		cm.writeImg();
	}
	cmShopCounter=0;
}

/*
* Creates an Order tag
*
* orderID			: required. Order ID of this order
* orderTotal		: required. Total of this order (minus tax and shipping)
* orderShipping	: required. Shipping charge for this order
* customerID		: required. Customer ID that placed this order
* customerCity		: optional. City of Customer that placed this order
* customerState	: optional. State of Customer that placed this order
* customerZIP		: optional. Zipcode of Customer that placed this order
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateOrderTag(orderID, orderTotal, orderShipping, customerID, customerCity, customerState, customerZIP) {

		var cm = new _cm("tid", "3", "vn2", "e3.1");
		cm.on = orderID;
		cm.tr = orderTotal;
		cm.osk = getOSK();
		cm.sg = orderShipping;
		cm.cd = customerID;
		cm.sa = customerState;
		cm.ct = customerCity;
		cm.zp = customerZIP;

		cm.writeImg();

}

function getOSK() {
	var i =0;
	var result = "";
	for (i=0; i<cmShopCounter; i++)
	{
		result += cmShopSKUs[i];
	}
	return result;
}

/*
* Creates a Registration tag and/or a Newsletter tag
*
* customerID		: required for Registration. ID of Customer to register.
* customerEmail	: required for Newsletters. Optional for Registration.
* customerCity		: optional. City of Customer that placed this order
* customerState	: optional. State of Customer that placed this order
* customerZIP		: optional. Zipcode of Customer that placed this order
* newsletterName	: required for Newsletters. The name of the Newsletter.
* subscribe		: required for Newsletters. Either "Y" or "N"
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateRegistrationTag(customerID, customerEmail, customerCity, customerState, customerZIP, newsletterName, subscribe) {
	var cm = new _cm("tid", "2", "vn2", "e3.1");
	cm.cd = customerID;
	cm.em = customerEmail;
	cm.sa = customerState;
	cm.ct = customerCity;
	cm.zp = customerZIP;

	if (newsletterName && subscribe) {
		cm.nl = newsletterName;
		cm.sd = subscribe;
	}

	cm.writeImg();
}

/* Creates an Error Tag
*
* returns nothing, causes a document.write of an image request for this tag.
*/
function cmCreateErrorTag() {
	var cm=new _cm("tid", "404", "vn2", "e3.1");  //DO NOT CHANGE THESE PARAMETERS

	// get the referrer from the frameset
	if (parent.cm_ref != null) {
		cm.rf = parent.cm_ref;
		parent.cm_ref = document.URL;
	}

	cm.pc = "Y";
	cm.pi = getDefaultPageID();
	cm.writeImg();
}

// HELPER FUNCTIONS -----------------------------------------------------------
/* These functions are used by the tag-generating functions and/or may be used
* in in general as convenience functions
*/

/*
* Creates an acceptable default Page ID value to use for Pageview tags.
* The default Page ID is based on the URL, and consists of the path and
* filename (without the protocol, domain and query string).
*
* example:
* returns "x/y/MyPage.asp" for the URL http://www.mysite.com/x/y/MyPage.asp
*/
function getDefaultPageID() {
	var pageName = window.location.pathname;

	// eliminates everything after "?" (for Opera browswers)
	var tempIndex1 = pageName.indexOf("?");
	if (tempIndex1 != -1) {
		pageName = pageName.substr(0, tempIndex1);
	}
	// eliminates everything after "#" (for Opera browswers)
	var tempIndex2 = pageName.indexOf("#");
	if (tempIndex2 != -1) {
		pageName = pageName.substr(0, tempIndex2);
	}
	// eliminates everything after ";"
	var tempIndex3 = pageName.indexOf(";");
	if (tempIndex3 != -1) {
		pageName = pageName.substr(0, tempIndex3);
	}

	var slashPos = pageName.lastIndexOf("/");
	if (slashPos == pageName.length - 1) {
		pageName = pageName + "default.asp"; /****************** SET TO DEFAULT DOC NAME */
	}

	while (pageName.indexOf("/") == 0) {
		pageName = pageName.substr(1,pageName.length);
	}

	return(pageName);
}

if (defaultNormalize == null) { var defaultNormalize = null; }

function myNormalizeURL(url, isHref) {
    var newURL = url;
    // ... transform newURL here ...
    if (defaultNormalize != null) {
        newURL = defaultNormalize(newURL, isHref);
    }
    return newURL;
}

// install normalization
if (document.cmTagCtl != null) {
    var func = "" + document.cmTagCtl.normalizeURL;
    if (func.indexOf('myNormalizeURL') == -1) {
        defaultNormalize = document.cmTagCtl.normalizeURL;
        document.cmTagCtl.normalizeURL = myNormalizeURL;
    }
}


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