var scroll_obj;
var scroll_num;
var item_num;
var scrolling;
var minx;
initscroll();
function initscroll(){
	scroll_obj=$("items");
	item_num=scroll_obj.getElementsByTagName("div").length;
	scroll_obj.style.left="0px";
	minx=-(142*item_num-574);
	$("s_left").onclick = function()
	{
		Distance=parseInt(scroll_obj.style.left)+142;
		if(Distance<0 || Distance==0){
		scrolling=setInterval("scrollLeft(Distance,10)",50);
		}
	};
	$("s_right").onclick = function()
	{
		Distance=parseInt(scroll_obj.style.left)-142;
		if(Distance>minx){
		
		scrolling=setInterval("scrollRight(Distance,10)",50);
		}
	};
	
}
function scrollRight(d,s){
	if (parseInt(scroll_obj.style.left)>d){
	  scroll_obj.style.left=parseInt(scroll_obj.style.left)-s+"px";
    }
	else if (window.scrolling){
		scroll_obj.style.left=d+"px";
	clearInterval(scrolling);
    }
}
function scrollLeft(d,s){
	if (parseInt(scroll_obj.style.left)<d){
	  scroll_obj.style.left=parseInt(scroll_obj.style.left)+s+"px";
    }
	else if (window.scrolling){
		scroll_obj.style.left=d+"px";
	clearInterval(scrolling);
    }
}