/* backto.js - Conditionally outputs a different top hat image depending on whether MSN referred user to this page */
msnrefer=".msn.com";
rf=escape(document.referrer)+"";
rf=rf.toLowerCase();

/* Check for URL encoding of http:// */ 
if (rf.indexOf("http%3a//") == 0) {
	var rftrunc = rf.slice(9)
} else { 
	var rftrunc = rf;
}

/* if referred from MSN */ 
if ( rf.indexOf(msnrefer) != -1 ) {
	document.write('<div class="msnBack"><a href="http://'+rftrunc+'" target="_top"  class="black">&#60; BACK TO MSN</a></div>');
}

/* if not reffered from MSN */ 
else {
	document.write('<div class="msnBack"><a href="http://www.discovery.com" target="_top" class="black">DISCOVERY.COM HOME</a></div>');
}