/*廣告Banner輪播*/
function slideLine(ul, delay, speed, lh) {
    var slideBox = (typeof ul == 'string') ? document.getElementById(ul) : ul;
    var delay = delay || 1000, speed = speed || 20, lh = lh || 20;
    var tid = null, pause = false;
    var start = function() {
        tid = setInterval(slide, speed);
    }
    var slide = function() {
        if (pause) return;
        slideBox.scrollTop += 2;
        if (slideBox.scrollTop % lh == 0) {
            clearInterval(tid);
            slideBox.appendChild(slideBox.getElementsByTagName('li')[0]);
            slideBox.scrollTop = 0;
            setTimeout(start, delay);
        }
    }
    slideBox.onmouseover = function() { pause = true; }
    slideBox.onmouseout = function() { pause = false; }
    setTimeout(start, delay);
};