var cntMAX = 3;		// プレビュー画像枚数
var curr = initCnt = 1;		// プレビュー現在画像カウンタ

$(function() {

	$('#c-p-back a').css('visibility','hidden');

	$('#c-p-next a').click(
		function () {

			next = curr+1;
			imgcurr = $('#c-p-img img').attr("src");
			var imgnext = imgcurr.replace(curr+'.jpg', next+'.jpg');
			$('#c-p-img img').attr("src", imgnext);

			curr = next;
			$('#c-p-msg span').html(curr);
			$('#c-p-back a').css('visibility','visible');

			if(curr >= cntMAX) {
				$('#c-p-next a').css('visibility','hidden');
			}
			return false;
		}
	);


	$('#c-p-back a').click(
		function () {

			next = curr-1;
			imgcurr = $('#c-p-img img').attr("src");
			var imgnext = imgcurr.replace(curr+'.jpg', next+'.jpg');
			$('#c-p-img img').attr("src", imgnext);

			curr = next;
			$('#c-p-msg span').html(curr);
			$('#c-p-next a').css('visibility','visible');

			if(curr <= initCnt) {
				curr = initCnt;
				$('#c-p-back a').css('visibility','hidden');
			}
			return false;
		}
	);

	$('#c-p-close a').click(self.parent.tb_remove);

});