var isStoped = false; 
var isTouch = false;
var scrollnews = document.getElementById('ulScroll');
var newsTemp = scrollnews.innerHTML;
var lis = scrollnews.getElementsByTagName('li');
var ml = 0;
var liHeight;
var imgCount = document.getElementById('ulScroll').getElementsByTagName('img').length;
var imgNum = imgCount%4 == 0 ? (imgCount/4-1) : parseInt(imgCount/4);
var myNum = 0;
var timer1 = setInterval(function(){
    if(isStoped || isTouch) return;
    liHeight = lis[0].offsetHeight;
    var timer2 = setInterval(function(){
        if(isStoped || isTouch) return;
        scrollnews.scrollTop = (++ml);
        if(ml == liHeight){
             clearInterval(timer2);
             scrollnews.scrollTop = 0;
             ml = 0;
             lis[0].parentNode.appendChild(lis[0]);
             myNum++;
             if (myNum > imgNum) {
                scrollnews.innerHTML = newsTemp;
                myNum = 0;
             }
         }
     },10);
},2400);
var oScroll = document.getElementById("marqueeContents"); 
oScroll.onmouseover = new Function('isStoped = true');
oScroll.onmouseout = new Function('isStoped = false');

function UpClick() {
    isTouch = true;
    ml = lis[0].offsetHeight;
    scrollnews.scrollTop = (ml);
    ml = 0;
    lis[0].parentNode.appendChild(lis[0]);
}
function DownClick() {
    isTouch = true;
    ml = -lis[0].offsetHeight;
    scrollnews.scrollTop = (ml);
    ml = 0;
    lis[0].parentNode.appendChild(lis[0]);
}