$( function() {
	if ( window.Geo && window.Geo.country === 'DE' ) {
		// determine if MobileFrontend used
		var campaign;
		if ( $( 'body.mw-mf' ).length ) {
			campaign = 'de.m.wikipedia.org';
		} else {
			campaign = 'de.wikipedia.org';
		}
		
		const baseUrl = 'https://spenden.wikimedia.de/';
		const queryString = $.param({
			'piwik_campaign': campaign,
			'piwik_kwd': 'sidebar'
		});
		
		var selector;
		if ( mw.config.get( 'skin' ) === 'minerva' ) {
			selector = '#p-donation li a';
		} else {
			selector = '#n-sitesupport a';
		}
		
		$( selector ).attr( 'href', baseUrl + '?' + queryString );
	}
});