function popup(page) {
		switch(page) {
			case "conditions":
				document.getElementById("transLayer").style.display = "block";
				document.getElementById("popupConditions").style.display = "block";
				break;
			case "imprint":
				document.getElementById("transLayer").style.display = "block";
				document.getElementById("popupImprint").style.display = "block";
				break;
			case "privacy":
				document.getElementById("transLayer").style.display = "block";
				document.getElementById("popupPrivacy").style.display = "block";
				break;
			case "close":
				document.getElementById("transLayer").style.display = "none";
				document.getElementById("popupImprint").style.display = "none";
				break;
		}
	}