// slider page catalogue
	         $(function() {
	         		//scrollpane parts
	         		var scrollPane = $( ".scroll-pane" ),
	         			scrollContent = $( ".scroll-content" );
	         		
	         		//build slider
	         		var scrollbar = $( ".scroll-bar" ).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() * 0.75);
	         		})
	         		.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() * 2);
	         			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
	         	});