jQuery( function () {

	jQuery( 'body' ).prepend( '<div class="scroll-top-wrap">' +
		'<div class="scroll-top-inner ' +
		(scrollTopParams.scheme == 'light' ? 'lightScheme' : '') +
		(scrollTopParams.size == 'small' ? 'small' : '') +
		' "><span class="' +
		(scrollTopParams.scheme == 'light' ? 'lightScheme' : '') +
		(scrollTopParams.size == 'small' ? 'small' : '') +' ">&#708;</span></div></div>');

	var scrollButtonEl = jQuery( '.scroll-top-inner' );

	scrollButtonEl.hide();

	jQuery( window ).scroll( function () {
		if ( jQuery( window ).scrollTop() < 10 ) {
			jQuery( '.scroll-top-inner' ).fadeOut();
		} else {
			jQuery( '.scroll-top-inner' ).fadeIn();
		}
	} );

	scrollButtonEl.click( function () {
		jQuery( "html, body" ).animate( { scrollTop: 0 }, 300 );
		return false;
	} );

} );


/*
playback timings (ms):
  LoadShardBlock: 54.328 (3)
  esindex: 0.009
  captures_list: 72.446
  CDXLines.iter: 12.902 (3)
  PetaboxLoader3.datanode: 59.976 (4)
  exclusion.robots.fetch: 0.213 (2)
  exclusion.robots: 1.054
  exclusion.robots.policy: 0.399
  RedisCDXSource: 0.787
  PetaboxLoader3.resolve: 120.522
  load_resource: 2618.387
*/