$(function() {
    resizeContent();
//     setTimeout('resizeContent', 10);
    //scrollpane parts
    var scrollPane = $( ".scroll-pane" ),
        scrollContent = $( ".scroll-content" );
    
    //build slider
    var scrollbar = $( ".scroll-bar" ).slider({
        start: function(event, ui) {
            $('.ui-slider-handle').addClass('sl_handle_active');
        },
        stop: function(event, ui) {
            $('.ui-slider-handle').removeClass('sl_handle_active');
        },
        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 );
            }
        }
    });
    
    scrollPane.css( "overflow", "hidden" );
    if($('.ui-slider-handle').hasClass('ui-corner-all')) {
        $('.ui-slider-handle').removeClass('ui-corner-all');
    }
    
    //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 );
            }
    }
    
    function resizeContent() {
        var newWidth = $( ".scroll-content-item" ).length * 130;
        newWidth += $( ".scroll-content-item" ).length *15;
        $( ".scroll-content" ).css('width', newWidth + 'px');
    }
    
    //change handle position on window resize
    $( window ).resize(function() {
        resetValue();
        reflowContent();
    });
    //init scrollbar size
});