<!--
var stopscroll = false;
var scrollElem = document.getElementById("scroll");
var marqueesHeight = scrollElem.style.height;
scrollElem.onmouseover = new Function('stopscroll = true'); 
scrollElem.onmouseout = new Function('stopscroll = false'); 
var preTop = 0;
var currentTop = 0;
var stoptime = 0;
var leftElem = document.getElementById("scrollmessage");
scrollElem.appendChild(leftElem.cloneNode(true));
init_srolltext();

function init_srolltext(){
 scrollElem.scrollTop = 0;
 setInterval('scrollUp()', 55);//的面的这个参数25, 是确定滚动速度的, 数值越小, 速度越快
}
function scrollUp(){
 if(stopscroll) return;
 currentTop += 2; //设为1, 可以实现间歇式的滚动; 设为2, 则是连续滚动
 if(currentTop == 19) {
 stoptime += 1;
 currentTop -= 1;
 if(stoptime == 180) {
 currentTop = 0;
 stoptime = 0;
 }
 }else{
 preTop = scrollElem.scrollTop;
 scrollElem.scrollTop += 1;
 if(preTop == scrollElem.scrollTop){
 scrollElem.scrollTop = 0;
 scrollElem.scrollTop += 1;
 }
 }
} 
//-->