$(function() {
		//scrollpane parts
		var scrollPane = $( ".scroll-pane1" ),
			scrollContent = $( ".scroll-content1" );

		//build slider
		var scrollbar = $( ".scroll-bar1" ).slider({
			slide: function( event, ui ) {
				if ( scrollContent.width() > scrollPane.width() ) {
					scrollContent.css( "margin-left", Math.round(
						ui.value / 100 * ( scrollPane.width() - scrollContent.width() )
					) + "px" );
				} else {
					scrollContent.css( "margin-left", 0 );
				}
			}
		});

		//append icon to handle
		var handleHelper = scrollbar.find( ".ui-slider-handle" )
		.mousedown(function() {
			scrollbar.width( handleHelper.width() );
		})
		.mouseup(function() {
			scrollbar.width( "100%" );
		})
		.append( "<span class='ui-icon ui-icon-grip-dotted-vertical'></span>" )
		.wrap( "<div class='ui-handle-helper-parent'></div>" ).parent();

		//change overflow to hidden now that slider handles the scrolling
		scrollPane.css( "overflow", "hidden" );

		//size scrollbar and handle proportionally to scroll distance
		function sizeScrollbar() {
			var remainder = scrollContent.width() - scrollPane.width();
			var proportion = remainder / scrollContent.width();
			var handleSize = scrollPane.width() - ( proportion * scrollPane.width() );
			scrollbar.find( ".ui-slider-handle" ).css({
				width: handleSize,
				"margin-left": -handleSize / 2
			});
			handleHelper.width( "" ).width( scrollbar.width() - handleSize );
		}

		//reset slider value based on scroll content position
		function resetValue() {
			var remainder = scrollPane.width() - scrollContent.width();
			var leftVal = scrollContent.css( "margin-left" ) === "auto" ? 0 :
				parseInt( scrollContent.css( "margin-left" ) );
			var percentage = Math.round( leftVal / remainder * 100 );
			scrollbar.slider( "value", percentage );
		}

		//if the slider is 100% and window gets larger, reveal content
		function reflowContent() {
				var showing = scrollContent.width() + parseInt( scrollContent.css( "margin-left" ), 10 );
				var gap = scrollPane.width() - showing;
				if ( gap > 0 ) {
					scrollContent.css( "margin-left", parseInt( scrollContent.css( "margin-left" ), 10 ) + gap );
				}
		}

		//change handle position on window resize
		$( window ).resize(function() {
			resetValue();
			sizeScrollbar();
			reflowContent();
		});
		//init scrollbar size
		setTimeout( sizeScrollbar, 10 );//safari wants a timeout
	});