function ScrollImgLeft(){
var speed = 17
var scroll_div = document.getElementById("scroll_div");
var scroll_begin = document.getElementById("scroll_begin");
var scroll_end = document.getElementById("scroll_end");
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)}
}