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/25839/25841/www.epb.com.au/6n6fv9;11;3;;6;;13iijm;;;;;1;/i/c?0&1pixgif&referer="
+ refr;
if ( (refr && !(new RegExp("^https?://" + dom.replace(/\W/g, "\\$&") + "([:/?].*|)$", "i")).test( document.referrer )) && (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;
}