function retrieveDLLink(productCode)
{
//Define the sample file

	if (productCode  == "AREY-OUNM77-454" ) {
	var productLink = "Are_You_Food_Sensitive_e-book_sample_chapter.pdf";
	}
	if (productCode  == "FUSS-KNCC35-642" ) {
	var productLink = "Fussy_Babies_sample_chapter.pdf";
	} 
// hit google funtion
	pageTracker._trackPageview("/sample-" + productCode + ".html");
// Instantiate the download
window.open("http://www.dietinvestigation.com/" + productLink);
//	document.location.href = "http://www.dietinvestigation.com/" + productLink;
}