num = 0;
old = 0;
chk = true;
function visual(){
num++;
if(num==3){
num=0;
}

$(".left_con ul").stop(true,true).animate({"margin-left":"-=100%"},500,"easeOutCubic",function(){
$(this).append($(".left_con ul li").first());
$(this).css({"margin-left":"-100%"});
old=num;
});
};
$(document).ready(function(){

$(".slide ul").prepend($(".slide ul li").last());

$("#slide").owlCarousel({
autoPlay : 3000,
navigation : true, // Show next and prev buttons
slideSpeed : 300,
paginationSpeed : 400,
singleItem:true
});

auto=setInterval("visual()",4000);

$(".btnbox .b_left").click(function(){
if(chk){
chk=false;
num--;
if(num==-1){
num=2;
}
clearInterval(auto);

auto=setInterval("visual()",4000);

$(".left_con ul").stop(true,true).animate({"margin-left":"+=100%"},100, "easeOutCubic",function(){
$(this).prepend($(".left_con ul li").last());
$(this).css({"margin-left":"-100%"});
old=num;
chk=true;
});
}
});

$(".btnbox .b_right").click(function(){
if(chk){
chk=false;
num++;
if(num==3){
num=0;
}
clearInterval(auto);
auto=setInterval("visual()",4000);


$(".left_con ul").stop(true,true).animate({"margin-left":"-=100%"},100,"easeOutCubic",function(){
$(this).append($(".left_con ul li").first());
$(this).css({"margin-left":"-100%"});
old=num;
chk=true;

});

}
});


});