function initScrollLayer() {
    var wndo = new dw_scrollObj('gallery_wrap', 'gallery_table', 't1');
    dw_scrollObj.GeckoTableBugFix('gallery_wrap'); 

    if(document.getElementById('t1').offsetWidth < document.getElementById('gallery_wrap').offsetWidth) {
        document.getElementById('arrow_left').style.display='none';
        document.getElementById('arrow_right').style.display='none';
    }
}

function scroll_init() {
    //scrollablediv 1
    var scroller = new Bs_ScrollableDiv();
    scroller.init('item_content_box', 'item_content');
    
    var sliderObj = new Bs_Slider();
    sliderObj.width          = 11;
    sliderObj.height         = 'auto';
    sliderObj.arrowMouseOver = true;
    sliderObj.direction      = 1;
    sliderObj.imgDir         = '/javascript/slider/components/slider/img/burp/';
    sliderObj.setBackgroundImage('scroll_ln.gif', 'repeat');
    sliderObj.setSliderIcon('scroll_knob.gif', 11, 5);
    sliderObj.setArrowIconLeft('scroll_up.gif', 11, 10);
    sliderObj.setArrowIconRight('scroll_dn.gif', 11, 10);
    
    scroller.setSliderObject(sliderObj, 'sliderDiv');
    scroller.setSlideSpeed(100, 'pixel'); //50 pixel per second
    scroller.setWheelSpeed(20, 'pixel'); //10 pixel per tick
}

/*
window.onload = image_size;

function image_size() {
    var img = document.getElementById('image_main');

    if(img && preload_image_main) {
        if((preload_image_main.width > preload_image_main.height) && (preload_image_main.width > 275)) {
            img.width = '275';
            img.height = 275/preload_image_main.width * preload_image_main.height;
        }
        else if((preload_image_main.height > preload_image_main.width) && (preload_image_main.height > 250)) {
            img.height = '250';
            img.width = 250/preload_image_main.height * preload_image_main.width;
        }
        else {
            img.height = preload_image_main.height;
            img.width  = preload_image_main.width;
        }
    }
}
*/