function email_a_friend (subject, link_text, target_url) {
    var url = "/tools/email-friend/index.cgi?subject=" + subject + 
        "&link_text=" + link_text + 
        "&target_url=" + target_url;
    newwin = window.open(url,'EmailFriendWindow','top=150,left=150,width=585,height=585,scrollbars=yes,resize=yes');
    
    // bring the new window to the front, just in case it's hidden
    if (window.focus) {
        newwin.focus();
    }
    
    return false;
}