$(function()
    {
        // set the default options for all scrollpanes on this page
        $.extend($.fn.jScrollPane.defaults, {showArrows:true});
        // The above line could also be expressed like this as we are just setting one default:
        //$.fn.jScrollPane.defaults.showArrows = true;

        // this initialises the demo scollpanes on the page.
        $('#pane1').jScrollPane();

    });