var stadgeWidth = 1820;
var contentWidth = 182 * 20;
var eachWidth = 182;
var preLimit = 0;
var nexLimit = stadgeWidth - contentWidth;
var isMove = 0;

$(document).ready(function(){
	$(".scroll_lt").click(function(){
	  if(contentWidth<=stadgeWidth){return false;}
	  if(isMove==1){return false;}
	  
	  var lt=parseInt($(".gundong").css("left"));
	  lt=lt+eachWidth;
	  if(lt>preLimit){ lt=preLimit;}

	  isMove=1;
	  $(".gundong").animate({"left":lt+"px"},"slow",function(){isMove=0;});
	  return false;
	});
	
	$(".scroll_rt").click(function(){
	  if(contentWidth<=stadgeWidth){return false;}
	  if(isMove==1){return false;}


	  var rt=parseInt($(".gundong").css("left"));
	  rt=rt-eachWidth;
	  if(rt<nexLimit){ rt=nexLimit; }
	  
	  isMove=1;
	  $(".gundong").animate({"left":rt+"px"},"slow",function(){isMove=0;});
	  return false;
	});

});