$(document).ready(function(){

	if (navigator.userAgent.indexOf('Windows')>0) {
  		$('.button_newsletter a, .button_tellafriend a').css('font-size','13.5px');
    }

	$('.sidebar_left .sidebar_button a, .sidebar_right .sidebar_button a, .content_top, .sidebar_panel_bottom, .sidebar_right .img, .content_header_img, .sticky_books img, .entry img, .button_xing_twitter').ifixpng();
	
	$('.nav li ul').hide();
	$('.nav li.current_page_ancestor ul').show();
	$('.nav li.current_page_item ul').show();
	
	$('body.einladen a.show_tipp').click(function(){
		$('span.tipp').toggle();
	});
	
	
	
});