function addListSinceLink() {
var found=findNamespaceForm();
if (!found) return;
window.sinceLinkThen=+(new Date());
var sp=document.createElement('span');
sp.innerHTML='<a id="listSince" onclick="loadSincePage()" href="#">Changes since last load</a>';
found.parentNode.insertBefore(sp,found.nextSibling);
}
function findNamespaceForm() {
var forms=document.getElementsByTagName('form');
for (var i=0; i<forms.length; ++i) {
if (forms[i].innerHTML.indexOf('Namespace:')> -1) { return forms[i]; }
}
return null;
}
function listSinceUrl( ) {
var then=window.sinceLinkThen;
var days = ( +(new Date()) - then )/(1000 * 3600 * 24);
var url=document.location.href.split('#')[0];
if ( /[?&]days=/.test(url) ) return url.replace(/([?&]days=)[^?&]*/, '$1'+days);
if (url.indexOf('?')==-1) url += '?'; else url += '&';
return url + 'days=' + days;
}
window.loadSincePage=function() {
var lk=document.getElementById('listSince');
lk.href=listSinceUrl();
}
if (/[=\/]Special(%3[Aa]|:)Watchlist/.test(document.location.href)) {
addOnloadHook(addListSinceLink);
}