function creatMarquee(obj,height,timer){
   var getC = document.getElementById(obj);
   getC.scrollTop=0;
   var StartM;
   var otimer = timer;
   if(height-getC.offsetHeight<0)
   {
     var saveContent = getC.innerHTML;
     getC.innerHTML = "<div id='c1'>"+saveContent+"</div><div id='c2'>"+saveContent+"</div>";
     var getC1 = document.getElementById("c1");
     getC.style.overflow="hidden";
     getC.style.height=height+"px";
     marquee();
     getC.onmouseover=function(e){clearTimeout(StartM);stopBubble(e);}
     getC.onmouseout=function(e){StartM = setTimeout(marquee,otimer);stopBubble(e);}
   }
   function marquee(){
      StartM = setTimeout(marquee,otimer);
     if(getC1.offsetHeight-getC.scrollTop<=0){
        getC.scrollTop=0;
     }
     else{       
        getC.scrollTop+=1;;
       }
   }
function stopBubble(e) {
    if ( e && e.stopPropagation )
         e.stopPropagation();
    else
         window.event.cancelBubble = true;
 }

}