dada-amater

(function (w, timeout) {
	setTimeout(function () {
		var url = w.location.toString();
		if (w.history && w.history.replaceState && url.indexOf('_fid=') !== -1) {
			w.history.replaceState({}, null, /[?&]_fid=[^&]+$/.test(url)
				? url.replace(/[?&]_fid=[^&]+/, '')
				: url.replace(/([?&])_fid=[^&]+&/, '$1')
			);
		}
	}, timeout || 2000);