Setting the cookie isn't working do you see a problem? (quick problem)

[Paragon]

I really don't see anything wrong with this code does anyone else. For some odd reason it isn't working.

	if(isset($_POST['remember'])){
	setcookie("".$vp_options['cookie_name']."name", "".$_SESSION['uid']."", time()+60*60*24*100, "/", "".$vp_options['fullurl']."");
	setcookie("".$vp_options['cookie_name']."pass", "".$_SESSION['pwd']."", time()+60*60*24*100, "/", "".$vp_options['fullurl']."");
	}

[Paragon]

	if(isset($_COOKIE[$vp_options['cookie_name'].'name']) && isset($_COOKIE[$vp_options['cookie_name'].'pass'])){
	setcookie("".$vp_options['cookie_name']."name", "", time()-60*60*24*100, "/");
	setcookie("".$vp_options['cookie_name']."pass", "", time()-60*60*24*100, "/");
	}

It works perfectly if I remove the URL part.