function ScrollImgLeft(){
 var speed=20;
 var scroll_begin=document.getElementById("scroll_begin");
 var scroll_end=document.getElementById("scroll_end");
 var scroll_div=document.getElementById("scroll_div");
 scroll_end.innerHTML=scroll_begin.innerHTML;
 function Marquee(){
  if(scroll_end.offsetWidth-scroll_div.scrollLeft<=0)
   scroll_div.scrollLeft-=scroll_begin.offsetWidth;
  else
   scroll_div.scrollLeft++;
 }
 var MyMar=setInterval(Marquee,speed)
 scroll_div.onmouseover=function() {clearInterval(MyMar)}
 scroll_div.onmouseout=function() {MyMar=setInterval(Marquee,speed)}
}