var cnnad_tileID = cnnad_getID();
var cnnad_enabled = true;
var cnnad_adIframes = new Array();
// flag for geo targetting image
alreadySwappedDETargetImage = false;
var cnnDEadDEonCookie = false;
// document domain security issues
var cnnDocDomain = cnnad_getTld(location.hostname);
if(cnnDocDomain) {document.domain = cnnDocDomain;}
//ADM send functionality
//pagemodes - 1(all tags) - DM_cat(), DM_addToLoc(), DM_tag();
//pagemodes - 2(health) - DM_tag();
//pagemodes - 3(none);
var cnnad_pageMode = 1;
var cnnad_calledURLs = new Array(); //associative array
var cnnad_successfulSend = 0;
var cnnad_resultArray = new Array();
var cnnad_ADMSizes = new Array();
// Set default sizes, can be overridden with cnnad_setADMSizes
cnnad_ADMSizes = ["728x90","300x250","336x280","160x600","336x850","300x600"];
function cnnad_setADMSizes(admSizesArray) {
// Use this function to override ADM ad sizes to be sent
cnnad_ADMSizes = admSizesArray;
}
function cnnad_parseReferrer(url) {
// take a url, typically document.referrer, and parse out the domain,
// eg "http://edition.cnn.com/story/otherstuff&refresh=1" returns "cnn.com"
if (!url) {
return null;
}
var data = url.substring(0, url.indexOf('/', 7));
if (data.indexOf(':', 5) > 0)
data = data.substring(0, url.indexOf(':', 5));
data = data.substring(data.lastIndexOf('/')+1);
var datachop = data.split('.');
return(datachop[datachop.length-2] + '.' + datachop[datachop.length-1]);
}
function cnnad_sendADMData() {
var finalExpression = "";
for(as=0;as<cnnad_ADMSizes.length;as++){
var calledURL = cnnad_calledURLs[cnnad_ADMSizes[as]];
if(calledURL && cnnad_successfulSend == 0){
if(cnnad_pageMode != 3){
finalExpression += '<scr' + 'ipt> \n ';
if(cnnad_pageMode == 1){
finalExpression += '	A09801.DM_cat("';
var site = cnnad_getParamValue(calledURL, "site=","&");
var rollup = cnnad_getParamValue(calledURL, "_rollup=","&");
var section = cnnad_getParamValue(calledURL, "_section=","&");
var subsection = cnnad_getParamValue(calledURL, "_subsection=","&");
var referrerTld = cnnad_parseReferrer(document.referrer);
finalExpression += site;
if((site!="") && ((rollup!="") || (section!="") || (subsection!=""))){
finalExpression += " > ";
}
finalExpression += rollup;
if((rollup!="") && ((section!="") || (subsection!=""))){
finalExpression += " > ";
}
finalExpression += section;
if((section!="") && (subsection!="")){
finalExpression += " > ";
}
finalExpression += subsection;
finalExpression += '"); \n ';
if (referrerTld)
finalExpression += ' A09801.DM_addEncToLoc("refer", "' + referrerTld + '"); \n ';
else
finalExpression += ' A09801.DM_addEncToLoc(); \n ';
}
finalExpression += '	A09801.DM_tag(); \n ';
finalExpression += '</scr' + 'ipt> \n ';
document.write(finalExpression);
}
cnnad_successfulSend = 1;
break;
}
}
}
function cnnad_getParamValue(paramString, parameter, endCharacter){
if(paramString.match(parameter)){
var startOfString = paramString.indexOf(parameter)+parameter.length;
var endOfString = paramString.indexOf(endCharacter,startOfString);
var parameterValue = paramString.substring(startOfString,endOfString);
return parameterValue;
}
else{
return "";
}
}
// end ADM send functionality
//DYNAMIC TYLEID
var cnnad_adTileIDGroup = new Array();
var cnnad_newTileIDIteration = 0;
var cnnad_tileExemptions = new Array();
function cnnad_addExemptCriteria() {
var idx = cnnad_tileExemptions.length;
var arglen = arguments.length;
if (arglen % 2 != 0) {
// Arguments must be sent in pairs
return;
}
cnnad_tileExemptions[idx] = new Array();
for (var i = 0; i < arglen; i+=2) {
cnnad_tileExemptions[idx][arguments[i]] = arguments[i+1];
}
}
function cnnad_checkTileExempt(adUrl) {
var exempt = false;
for (var i = 0; i < cnnad_tileExemptions.length; i++) {
exempt = true;
for (adKey in cnnad_tileExemptions[i]) {
adValue = cnnad_getParamValue(adUrl, adKey + '=', '&');
if (cnnad_tileExemptions[i][adKey] != adValue) {
exempt = false;
break;
}
}
if (exempt) {
return true;
}
}
return false;
}
function cnnad_newTileIDGroup(newGroupArray) {
var newTileID = (cnnad_tileID * 1 + (++cnnad_newTileIDIteration));
for (var i = 0; i < newGroupArray.length; i++) {
cnnad_adTileIDGroup[cnnad_adTileIDGroup.length] = {tileID:newTileID, adName:newGroupArray[i]};
}
}
function cnnad_getDynamicTileID(adURL) {
var returnId = cnnad_tileID;
if (cnnad_checkTileExempt(adURL)) {
return returnId;
}
if(cnnad_adTileIDGroup.length > 0){
var ad_position;
if(adURL.match("_position=") ){
ad_position = cnnad_getParamValue(adURL, "_position=", "&");
}
else if(adURL.match("_pos=")){
ad_position = cnnad_getParamValue(adURL, "_pos=", "&");
}
else {
ad_position = "";
}
for (var i = 0; i < cnnad_adTileIDGroup.length; i++) {
var adName = cnnad_adTileIDGroup[i].adName;
if(ad_position == adName){
returnId = cnnad_adTileIDGroup[i].tileID;
break;
}
}
}
return returnId;
}
//END DYNAMIC TYLEID
function reverseString (input)
{
// convert everything to a string
input = "" + input;
var output = '';
if (input.length)
{
var i;
for (i = input.length; i > 0; i--)
{
output += input.charAt(i-1);
}
}
return(output);
}
function cnnad_getID() {
return (reverseString(new Date().getTime()));
}
function cnnad_renderAd(cnnad_url) {
if(cnnad_enabled == true) {
document.write("<script type=\"text/javascript\"");
document.write(" src=\""+cnnad_url+"&tile="+cnnad_getDynamicTileID(cnnad_url)+"\"></scr");
document.write("ipt>");
}
}
function cnnad_preview(cnnad_adstring) {
if ( location.host.indexOf("turner.com") > -1) {
// we are on preview (or on local subnet, so we have to use internal names)
cnnad_adstring = cnnad_adstring.replace(new RegExp("ads\..*?\.com","gi"),"ads.turner.com");
cnnad_adstring = cnnad_adstring.replace(new RegExp("ads\..*?\.tv","gi"),"ads.turner.com");
}
return cnnad_adstring;
}
function cnnad_createAdNoTileId(adId,cnnad_url,cnnad_height,cnnad_width) {
cnnad_url = cnnad_preview(cnnad_url);
document.write('<iframe ALLOWTRANSPARENCY="true" hspace="0" vspace="0" marginHeight="0" marginWidth="0" src="' + cnnad_url + '&page.allowcompete=yes&domId=' + adId + '" border="0" frameBorder="0" height="0" width="0" scrolling="no" id="'+adId+'" style="position: absolute; visibility: hidden;" ></iframe>');
}
function cnnad_createAd(adId,cnnad_url,cnnad_height,cnnad_width) {
cnnad_url = cnnad_preview(cnnad_url);
document.write('<iframe ALLOWTRANSPARENCY="true" hspace="0" vspace="0" marginHeight="0" marginWidth="0" src="' + cnnad_url + '&tile=' + cnnad_getDynamicTileID(cnnad_url) + '&page.allowcompete=yes&domId=' + adId + '" border="0" frameBorder="0" height="0" width="0" scrolling="no" id="'+adId+'" style="position: absolute; visibility: hidden;" ></iframe>');
// ADM functionality
var adSize = new String();
if(cnnad_url.match("_position=") ){
adSize = cnnad_getParamValue(cnnad_url, "_position=", "_");
}
else if(cnnad_url.match("_pos=")){
adSize = cnnad_getParamValue(cnnad_url, "_pos=", "_");
}
else {
adSize = "";
}
cnnad_calledURLs[adSize] = cnnad_url;
// END ADM functionality
}
function cnnad_writeAd(cnnad_callid,cnnad_url) {
if(cnnad_enabled == true) {
document.write("<script id=\"" + cnnad_callid + "\" type=\"text/javascript\" onload=\"cnnSendData();\"");
document.write(" src=\""+cnnad_url+"&tile="+cnnad_getDynamicTileID(cnnad_url)+"\"></scr");
document.write("ipt>");
}
}
function cnnad_showAd(cnnad_id) {
if (document.getElementById(cnnad_id))
{
document.getElementById(cnnad_id).style.position = 'relative';
document.getElementById(cnnad_id).style.visibility = 'visible';
} else
{
//alert("Error displaying ad component: " + cnnad_id);
// just do not display the ad. -sg
}
}
function cnnad_setAdSize(docId,height,width) {
if (document.getElementById(docId)) {
document.getElementById(docId).height = height;
document.getElementById(docId).width = width;
}
}
function cnnad_readCookie( name ) {
if ( document.cookie == '' ) { // there is no cookie, so go no further
return false;
} else { // there is a cookie
var firstChar, lastChar;
var theBigCookie = document.cookie;
firstChar = theBigCookie.indexOf(name); // find the start of 'name'
var NN2Hack = firstChar + name.length;
if ( (firstChar != -1) && (theBigCookie.charAt(NN2Hack) == '=') ) { // if you found the cookie
firstChar += name.length + 1; // skip 'name' and '='
lastChar = theBigCookie.indexOf(';', firstChar); // Find the end of the value string (i.e. the next ';').
if (lastChar == -1) lastChar = theBigCookie.length;
return unescape( theBigCookie.substring(firstChar, lastChar) );
} else { // If there was no cookie of that name, return false.
return false;
}
}
}
function cnnad_getTld (hostname)
{
var data = hostname.split(".");
if (data.length >= 2)
{
return (data[data.length-2] + "." + data[data.length-1]);
}
return(null);
}
function cnnad_getDEAdHeadCookie( imageRef ) {
if (typeof(cnnad_readCookie) != "undefined") {
cnnDEadDEonCookie = cnnad_readCookie( 'adDEon' );
}
var newSrc = "http://gdyn." + cnnad_getTld(location.hostname) + "/1.1/1.gif?" + new Date().getTime();
if ( !alreadySwappedDETargetImage && !cnnDEadDEonCookie) {
imageRef.src = newSrc;
alreadySwappedDETargetImage = true;
}
}