function init_dw_Scroll() {
    var wndo = new dw_scrollObj('wn', 'lyr1');
    wndo.setUpScrollControls('slider');
}

// if necessary objects exists link in the style sheet and call the init function onload
if ( document.getElementById && document.getElementsByTagName ) {
    //dw_writeStyleSheet('css/scroll.css');
    addLoadEvent(init_dw_Scroll);
}