Poznámka: Po uložení musíte vyprázdnit mezipaměť vašeho prohlížeče, jinak změny neuvidíte.

function addPurge(){
    ta['ca-purge'] = new Array('g', 'Purge the internal cache for this page');
    if(!document.getElementById) return;
    var x = document.getElementById('ca-history');
    var tabs = document.getElementById('p-cactions').getElementsByTagName('ul')[0];
    if(!x) return;
    if(x.children) x = x.children[0];
    else x = x.childNodes[0];
    addlilink(tabs, x.href.replace(/=history/, "=purge"), 'purge', 'ca-purge');
}

function addlilink(tabs, url, name, id){
    var na = document.createElement('a');
    na.href = url;
    na.id = id;
    na.appendChild(document.createTextNode(name));
    var li = document.createElement('li');
    li.appendChild(na);
    tabs.appendChild(li);
    return li;
}

if (window.addEventListener)
window.addEventListener("load",myLoadFuncs,false);
else if (window.attachEvent)
window.attachEvent("onload",myLoadFuncs);
else {
    window._old_ABCD_onload = window.onload;
    window.onload = function(){
        window._old_ABCD_onload();
        myLoadFuncs();
    }
}        
function myLoadFuncs(){
    addPurge();
}