marqueesHeight=230;//滚动区域高度设定
stopscroll=false;
icefable1.scrollTop=0;
with(icefable1){
style.width=0;
style.height=marqueesHeight;
style.overflowX="visible";
style.overflowY="hidden";
noWrap=true;
onmouseover=new Function("stopscroll=true");
onmouseout=new Function("stopscroll=false");
}
preTop=0; currentTop=0; stoptime=0;
function init_srolltext(){
icefable2.innerHTML="";
icefable2.innerHTML+=icefable1.innerHTML;
icefable1.innerHTML=icefable2.innerHTML+icefable2.innerHTML;
setInterval("scrollUp()",20);
}
function scrollUp(){
if(stopscroll==true) return;
currentTop+=1;
if(currentTop==100)//向上滚动高度设定
{
 stoptime+=1;
 currentTop-=1;
 if(stoptime==100)//停顿时间设定
 {
  currentTop=0;
  stoptime=0;
 }
}
else {   
   preTop=icefable1.scrollTop;
   icefable1.scrollTop+=1;
   if(preTop==icefable1.scrollTop){
     icefable1.scrollTop=icefable2.offsetHeight-marqueesHeight;
     icefable1.scrollTop+=1;
   }
}
}
init_srolltext();