function init_dw_Scroll() {
    var wndo = new dw_scrollObj('wn', 'lyr1', 't1');
    wndo.setUpScrollbar("dragBar", "track", "w", 5, 1);
    wndo.setUpScrollControls('scrollbar');
}

if ( dw_scrollObj.isSupported() ) {
    dw_Event.add( window, 'load', init_dw_Scroll);
}