$.preloadImages("/images/bgs-M.jpg", "/images/bgs-K.jpg", "/images/bgs-L.jpg", "/images/bgs-U.jpg", "/images/bgs-Y.jpg", "/images/bgs-E.jpg");
var active_slide = '';
var old_slide = '';
var slide_img = 0;
var pause_slide_show = false;

$(document).ready(function()
{	
	$('.slide_thumb').hover(
		function(){
			var id = this.id.split('_')[1];
			$('.slide-det-wrap #bt_'+id).show();
		},
		function(){
			var id = this.id.split('_')[1];
			$('.slide-det-wrap #bt_'+id).hide();
		}
	);
	$('.slide_pager_w>a, .slide_pager_b>a').click(function(e){
		var id = e.target.id.split('_')[1];
		if(id != active_slide){
			switch_slide(id);
		}
	});
	$('#slides').mouseover(function(){pause_slide_show = true});
	$('#slides').mouseout(function(){pause_slide_show = false});
	slideShow();
});

function show_img(){
	$('#slide_'+active_slide+' .slide_thumb:eq('+slide_img+')').fadeIn(300);
	slide_img++;
	if(slide_img<6){
		setTimeout(show_img, 200);
	}
}

function switch_slide(slide){
	$('#slide_'+active_slide).fadeOut(100);
	setTimeout(function(){$('#slide_'+slide).fadeIn(250);},100);
	slide_img = 0;
	old_slide = active_slide;
	active_slide = slide;
	setTimeout(show_img, 350);
	if(old_slide != ''){
		setTimeout(function(){$('#slide_'+old_slide+' .slide_thumb').hide();}, 1000);
	}
	
}

function slideShow(){
	if(pause_slide_show){
		setTimeout(slideShow,10000);
		return;
	}
	var next;
	if(active_slide == ''){
		next = 'M';
	}
	next = $('#slide_'+active_slide).next();
	if(next.length == 0){
		var next = $('#slides').children('.slide');
		id = next.attr('id').split('_')[1];
	}
	var id = next.attr('id').split('_')[1];
	if(id){
		switch_slide(id);
	}
	setTimeout(slideShow,10000);
}