current = 1;
button = 1;
speed = 300;
setTimer = 20000;
var timerID;
u = navigator.userAgent;

$(window).load(function(){	
	if(u.indexOf('MSIE 6.0') != 0 || u.indexOf('MSIE 7.0') != 0){
		var pageCount = $('.jp .pickup h2');
		for (i=0; i<pageCount.length; i++){
			contents = 1+i;
		}
		if($(".pickup_box").length){
			$('.jp .pickup1').fadeIn("normal");
			$(".jp .linkNext").click(function() {
				button = current;
				current++;
				if (current == (contents + 1)) { current = 1 }
				animateLeft(current, button);
				clearInterval(timerID);
				timerID = setInterval("autoSlide()", setTimer);
			});
			$(".jp .linkPrev").click(function() {
				button = current;
				current--;
				if (current == 0) { current = contents }
				animateRight(current, button);
				clearInterval(timerID);
				timerID = setInterval("autoSlide()", setTimer);
			});
			timerID = setInterval("autoSlide()", setTimer);
		}else {
			$(".top-article").remove();
		}
	}
});

function animateLeft(current, button) {
	$('.jp #pickup' + button).fadeOut(600 , function(){
		$('.jp #pickup' + current).fadeIn("normal");
		$('.jp .left_box').slideDown("normal");
	});
}

function animateRight(current, button) {
	$('.jp #pickup' + button).fadeOut(600 , function(){
		$('.jp #pickup' + current).fadeIn("normal");
		$('.jp .left_box').slideDown("normal");
	});
}

function autoSlide(){
	button = current;
	current++
	if (current == (contents + 1)) { current = 1 }
	animateLeft(current, button)
}