//+---------------------------------------------------
//| 页面内容滚动JS文件。
//| lh:     每次滚动的高度
//| speed:  滚动速度
//| delpay: 停留时间
//| id:     滚动的标签
//+---------------------------------------------------
function startmarquee(lh,speed,delay,id){
    var t;
    var p = false;
    var o = document.getElementById(id);
    o.innerHTML += o.innerHTML;
    o.onmouseover = function(){p=true}
    o.onmouseout = function(){p=false}
    o.scrollTop = 0;
    function start(){
        t=setInterval(scrolling,speed);
        if(!p) o.scrollTop += 2;
    }

    function scrolling(){
        if(o.scrollTop%lh!=0){
            o.scrollTop += 2;
            if(o.scrollTop>=o.scrollHeight/2) o.scrollTop = 0;
        }else{
            clearInterval(t);
            setTimeout(start,delay);
        }
    }
    setTimeout(start,delay); 
}