// URL-Encode of current address and title
function urlencode(str) {
	return escape(str).replace(/\+/g, '%2B').replace(/%20/g, '+').replace(/\*/g, '%2A').replace(/\//g, '%2F').replace(/@/g, '%40');
}
// send address and title to the email-this-sender
function email_this() {
	document.location.href = "http://www.cochrane.org/assets_local/includes/email_this_sender.php?u="+urlencode(document.location.href)+"&t="+urlencode(document.title);
	return false;
}