function sichtbarkeit(id) {
	if(document.getElementById(id).style.display == "none") {
		document.getElementById(id).style.display = "inline";
	} else {
		document.getElementById(id).style.display = "none"
	}
	if(document.getElementById(id+1).style.display == "none") {
		document.getElementById(id+1).style.display = "inline"
	} else {
		document.getElementById(id+1).style.display = "none"
	}
	if(document.getElementById(id+2).style.display == "none") {
		document.getElementById(id+2).style.display = "inline"
	} else {
		document.getElementById(id+2).style.display = "none"
	}
	if(document.getElementById(id+3).style.display == "none") {
		document.getElementById(id+3).style.display = "inline"
	} else {
		document.getElementById(id+3).style.display = "none"
	}
}
function sichtbarkeit2(id) {
	if(document.getElementById(id).style.display == "none") {
		document.getElementById(id).style.display = "inline";
		window.location.hash = id;
	} else {
		document.getElementById(id).style.display = "none"
	}
	if(document.getElementById(id+1).style.display == "none") {
		document.getElementById(id+1).style.display = "inline"
	} else {
		document.getElementById(id+1).style.display = "none"
	}
	if(document.getElementById(id+2).style.display == "none") {
		document.getElementById(id+2).style.display = "inline"
	} else {
		document.getElementById(id+2).style.display = "none"
	}
	if(document.getElementById(id+3).style.display == "none") {
		document.getElementById(id+3).style.display = "inline"
	} else {
		document.getElementById(id+3).style.display = "none"
	}
}