function ausblenden(element){
	if(document.getElementById(element).style.visibility == "hidden"){
		document.getElementById(element).style.visibility = "visible";
	}else{
		document.getElementById(element).style.visibility = "hidden";
	}
}

function showin(element){
	document.getElementById(element).style.visibility = "visible";
}

function showout(element){
	document.getElementById(element).style.visibility = "hidden";	
}