// JavaScript Document

var txt = "<img src='http://juni.osfc.ac.uk/img/buttons/icons/icons_r1_c4.gif' alt='bookmark this page' width='160' height='35' border='0'>"
var url = location.href;
var who = document.title;
 
var ver = navigator.appName;
var num = parseInt(navigator.appVersion);
if ((ver == "Microsoft Internet Explorer")&&(num >= 4)) {
document.write('<A class="small" HREF="javascript:window.external.AddFavorite(url,who);" ');
document.write('onMouseOver=" window.status=');
document.write("txt; return true ");
document.write('"onMouseOut=" window.status=');
document.write("' '; return true ");
document.write('">'+ txt + '</a>');
}else{
txt += "";
document.write(txt);
}