/* A helper function to add a button to one of the toolbars in the interface.
From [[Wikipedia:WikiProject User scripts/Scripts/addLink]] */
function addLink(where, url, name, id, title, key, after) {
// addLink() accepts either an id or a DOM node, addPortletLink() only takes a node
if (after && !after.cloneNode)
after = document.getElementById(after);
return addPortletLink(where, url, name, id, title, key, after);
}