function JS_ShowHiddenCats() {
JS_API(
{action:"query",prop:"categories",titles:wgPageName,format:"json"},
"cat",
function(id,txt) {
var p = eval("(" + txt + ")");
var cats = [];
for ( var pageid in p["query"]["pages"] ) {
pagecats = p["query"]["pages"][pageid]["categories"];
for ( var catkey in pagecats ) {
var cat = pagecats[catkey]["title"];
cat = cat.substring(9);
cats.push(cat);
}
}
var catlinks = document.getElementById("catlinks");
if(catlinks == null) {
catlinks = document.createElement("div");
document.getElementById("bodyContent").appendChild(catlinks);
}
catlinks.appendChild( document.createTextNode('Hidden categories: ') );
var viscats = catlinks.getElementsByTagName("a");
for ( var a in viscats ) {
a = viscats[a].title;
viscats[a] = a;
}
for ( var cat in cats ) {
cat = cats[cat];
var title = 'Category:' + cat;
if( viscats[title] == title ) continue;
var a = document.createElement("a");
a.href = '/wiki/' + title;
a.title = title;
a.appendChild( document.createTextNode(cat) );
catlinks.appendChild( document.createTextNode(' | ') );
catlinks.appendChild( a );
if(addTooltip) addTooltip(a);
}
}
);
};
$( JS_ShowHiddenCats );