function toggledisplay (id){
	  if (document.getElementById) {
		var mydiv = document.getElementById(id);
		mydiv.style.display = (mydiv.style.display=='block'?'none':'block');
	  }
	}
	function popUpNewsletterAGB(){
		popUp = window.open("./data/page_content/defaults/newsletter/registrierung.php", "Registrierungsbedingungen", "width=400,height=400,scrollbars=no");
		popUp.focus();
	}