function urlencode(str)
{
	return encodeURIComponent(str).replace(/\%20/g, '+').replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/\~/g, '%7E');
}

function hideRecent(artist)
{
	var current_cookie;
	var cookie_name;
	var cookie_value;
	var list_cookies = document.cookie.split(';');
	for (i = 0; i < list_cookies.length; i++)
	{
		current_cookie = list_cookies[i].split('=');
		cookie_name = current_cookie[0];
		cookie_parts = current_cookie[1].split('%7C');

		if(cookie_parts[2] == urlencode(artist))
		{
			document.cookie = cookie_name + "=;path=/;expires=Thu, 01-Jan-1970 00:00:01 GMT";
			location.reload();
		}
	}
}