//HIDE DUPLICATE CONTRIBS
if ( mw.config.get('wgCanonicalSpecialPageName') == "Contributions" ) $( function() {
	var monthsel = document.getElementById( 'month' );
	if( !monthsel ) return;
	var content = document.getElementById( 'bodyContent' )
		|| document.getElementById( 'mw_contentholder' ) || document.getElementById( 'article' )
	var list = content.getElementsByTagName( 'ul' )[0];	
	var span = document.createElement( 'span' );
	span.style.marginLeft = '1em';
	span.appendChild( document.createTextNode( ' Nascondi duplicati ' ) );	
	var cbdupl = document.createElement( 'input' );
	cbdupl.type = 'checkbox';
	span.appendChild( cbdupl );
	span.appendChild( document.createTextNode( ' Ultime modifiche ' ) );
	var cbtop = document.createElement( 'input' );
	cbtop.type = 'checkbox';
	span.appendChild( cbtop );
	function refreshContribs() {
		var li = list.getElementsByTagName( 'li' );
		var titles = {};
		for ( var i=0; i < li.length; i++ ) {
			var link = li[i].getElementsByTagName( 'a' )[0];
			var strong = getElementsByClassName( li[i], 'span', 'mw-uctop' );
			if ( ( titles[link.title] && cbdupl.checked ) || ( strong.length && cbtop.checked ) )
				li[i].style.display = 'none';
			else li[i].style.display = 'list-item';
			titles[link.title] = true;
		}
	}
	cbdupl.onclick = refreshContribs;
	cbtop.onclick = refreshContribs;
	monthsel.parentNode.parentNode.appendChild( span );
});