// JavaScript Document
var sURL = 'http://sa.osfc.ac.uk/mail/email_page.asp?page_title='+document.title+'&link='+location.href;

function popup_email() {
        window.open('' + sURL +'','window','width=430,height=530,menubar=no,location=no,scrollbars=no,toolbar=no,Top=30,Left=5');
}