var refr=escape(document.referrer); /* get the http referer and encode it */
var dom=location.hostname; /* get the host domain */
var stURL="http://link.decideinteractive.com/n/1054/3425/www.monashivf.com/1aw6l68;11;4;;6;;cr4i8m;;;;;1;/i/c?0&pq=%2fseo&1pixgif&referer="
+ refr;
if ( (refr && refr.search(dom) == -1) && (location.href.toUpperCase().indexOf("247SEO=N") == -1) ) /* if the referrer is external preload the image request and does not contain 247SEO argument = "N" */
{
imageTR = new Image();
imageTR.src = stURL;
}