var cnnad_tileID = cnnad_getID();
var cnnad_enabled = true;
function cnnad_getID() {
return (new Date().getTime());
}
// flag for geo targetting image
alreadySwappedDETargetImage = false;
var cnnDEadDEonCookie = false;
function cnnad_renderAd(cnnad_url) {
// this function is deprecated in failsafe ads solution. -sg
if(cnnad_enabled == true) {
document.write("<script type=\"text/javascript\"");
document.write(" src=\""+cnnad_url+"&tile="+cnnad_tileID+"&page.allowcompete=yes\"></scr");
document.write("ipt>");
}
}
function cnnad_createAd(adId,cnnad_url,cnnad_height,cnnad_width) {
document.write('<iframe hspace="0" vspace="0" marginHeight="0" marginWidth="0" src="' + cnnad_url + '&tile=' + cnnad_tileID + '&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_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_tileID+"\"></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_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;
}
}