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.edu.au/35231f58002503000000000600000000004b23e40000000000000000000000000000000100/i/c?0&pq=%2f&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;

}