var newsTimer;

$(function(){
	if ( $('#news-box').length>0 ) {
		slideNews();
	} else {
		return false;
	}
});

function slideNews() {
	$('#no-js').hide();
	$('#news-box').show();
	
	$('.news-thumb-img').each(function(){		
		if(!$(this).parents('.news-thumb').hasClass('is_selected')) {
			$(this).css({'filter':'alpha(opacity=50)','-moz-opacity':'0.5','-khtml-opacity':'0.5','opacity':'0.5'});
		}
	});
	
	
	$('.news-thumb').hover(
		function(){
			if(!$(this).hasClass('is_selected')) {
				$(this).find('.news-thumb-img').css({'filter':'alpha(opacity=1)','-moz-opacity':'1','-khtml-opacity':'1','opacity':'1'});
				$(this).find('.news-thumb-title').css('text-decoration','underline');
			}
		},
		function(){
			if(!$(this).hasClass('is_selected')) {
				$(this).find('.news-thumb-img').css({'filter':'alpha(opacity=50)','-moz-opacity':'0.5','-khtml-opacity':'0.5','opacity':'0.5'});
				$(this).find('.news-thumb-title').css('text-decoration','none');
			};
		}
	);
		
	$('.news-thumb').click(function(){
		clearTimeout(newsTimer);
		selectNews($(this));
	});
	
	
	
	$('.news-exp').mouseover(function() {
		$("#slider-bgarr-l").show();
		$("#slider-bgarr-r").show();
	});
	
	$('.news-exp').mouseout(function() {
		$("#slider-bgarr-l").hide();
		$("#slider-bgarr-r").hide();
	});
	

	var i = 1;
	newsTimer = setInterval(function(){
		if(i == $('.news-thumb').length) i = 0;
		selectNews($('.news-thumb:eq('+i+')'));
		i++
	}, 5000);
	
	$("#slider-arr-l").click(function() {
		selectPrevThumb();
	});
	$("#slider-arr-r").click(function() {
		selectNextThumb();
	});
	$("#slider-bgarr-l").click(function() {
		selectPrevThumb();
	});
	$("#slider-bgarr-r").click(function() {
		selectNextThumb();
	});
	
}

function selectNextThumb() {
	var next_thumb = $('.is_selected').next('.news-thumb');
	if (next_thumb.length>0) {
		clearTimeout(newsTimer);
		selectNews(next_thumb);
	}
}

function selectPrevThumb() {
	var prev_thumb = $('.is_selected').prev('.news-thumb');
	if (prev_thumb.length>0) {
		clearTimeout(newsTimer);
		selectNews(prev_thumb);
	}
}

function selectNews(obj){
	var current = $('.is_selected').find('.link-key').html();
	var key = obj.find('.link-key').html();
	
	var order = key.substring(5);
	var topos=-125*(order-1)+"px";


	
	if (order==1) {
		$('#toscroll').animate({left:"0"}, 1000);
	}
	else {
		$('#toscroll').animate({left:topos}, 1000);
	}
	
	
	
		
	$('.news-thumb').each(function(){
		$(this).removeClass('is_selected');
	})
	
	obj.addClass('is_selected');
	
	$('#title_'+current).hide();
	$('#'+current).fadeOut(2000);
	$('#title_'+key).fadeIn(1000);
	$('#'+key).fadeIn(750);
	
	$('.news-thumb-img').each(function(){		
		if(!$(this).parents('.news-thumb').hasClass('is_selected')) {
			$(this).css({'filter':'alpha(opacity=50)','-moz-opacity':'0.5','-khtml-opacity':'0.5','opacity':'0.5'});
			$(this).next('.news-thumb-title').css('text-decoration','none');
		} else {
			$(this).css({'filter':'alpha(opacity=1)','-moz-opacity':'1','-khtml-opacity':'1','opacity':'1'});
			$(this).next('.news-thumb-title').css('text-decoration','underline');
		}
	});
}