$(function() {
		size = $('#main_visual #project_visual ul li').size();
		$('#main_visual #project_visual ul li').height(540);
		if(size > 1) {
			for (i = 0; i < size; i++) {
				if (i == 0) {
					$('#main_visual #project_visual #pager').append('<a rel="' + i + '"><img src="/img/visual_button_selected.png" width="16" height="16" alt="" /></a>');
				} else {
					$('#main_visual #project_visual #pager').append('<a rel="' + i + '"><img src="/img/visual_button_unselected.png" width="16" height="16" alt="" /></a>');
				}
			}
			var speed = 5000,
			run = setInterval('newsslider(0)', speed);
			$('#main_visual #project_visual ul li:first').addClass('selected');
			$('#main_visual #project_visual ul li:first div').delay(500).fadeIn('slow');
			$('#pager a').click(function() {
				clearInterval(run);
				goto($(this).attr('rel'));
				run = setInterval('newsslider(0)', speed);
				return false;
			}).css({
				'cursor': 'pointer'
			});
		} else {
			$('#main_visual #project_visual ul li:first').addClass('selected');
			$('#main_visual #project_visual ul li:first div').delay(500).fadeIn('slow');
		}
	});
	function newsslider(l) {
		var i = $('#main_visual #project_visual ul li.selected').size() ? $('#main_visual #project_visual ul li.selected') : $('#main_visual #project_visual ul li:first'),
		I = (i.next().size()) ? i.next() : $('#main_visual #project_visual ul li:first');
		slide(i, I, I.index());
	}
	function goto(I) {
		next_image = $('#main_visual #project_visual ul li:eq(' + I + ')');
		var i = $('#main_visual #project_visual ul li.selected').size() ? $('#main_visual #project_visual ul li.selected') : $('#main_visual #project_visual ul li:first');
		slide(i, next_image, I);
	}
	function slide(curI, newI, id) {
		$('#main_visual #project_visual ul li').removeClass('selected');
		newI.addClass('selected');
		newI.find('.img').css({'display': 'none'});
		curI.find('.img').fadeOut('slow', function() {
			newI.find('.img').fadeIn('slow');
		});
		$('#main_visual #project_visual #pager').find('a img').attr('src', '/img/visual_button_unselected.png');
		$('#main_visual #project_visual #pager').find("a[rel='" + id + "']").find('img').attr('src', '/img/visual_button_selected.png');
	}