$(document).ready(function() {
	
	$('#newsliste li:first-child').addClass('selected');
	
	$('#news_runter').click(function () {
		newsscoller(0);
		return false;
	});	
	
	$('#news_hoch').click(function () {
		newsscoller(1);
		return false;
	});	
	
	$('.fontswitcher a').click(function () {
		var fSize = parseInt($(this).css('font-size').match(/[0-9]{1,2}/));
		var cstr = '.main'
		$(cstr).css({'font-size' : fSize});
		$(cstr+' h1').css({'font-size' : fSize*2});
		$(cstr+' h2').css({'font-size' : fSize+2});
		$('.fussnavi a, .bottom').css({'font-size' : fSize-1});
		$('.fussnavi h2').css({'font-size' : fSize});
	});
	
	$(document).ready(function(){
		if ($.fn.lightbox) $(".lightbox").lightbox();
	});
});


function newsscoller(prev) {

	var current_news = $('#newsliste li.selected').length ? $('#newsliste li.selected') : $('#newsliste li:first');

	if (prev) {
		var next_news = (current_news.prevAll().length>=1) ? current_news.prev() : null;
	} else {
		var next_news = (current_news.nextAll().length>=5) ? current_news.next() : null;
	}
	if(next_news==null) return false;
	
	$('#newsliste li').removeClass('selected');
	
	next_news.addClass('selected');
	
	$('#newscontainer').scrollTo(next_news, 400);	
				
}