function show(nr) {
//alert (nr);
	document.getElementById("text1").style.visibility = 'hidden';
	document.getElementById("text"+nr).style.visibility = 'visible';
	document.getElementById("linie"+nr).style.visibility = 'visible';
	document.getElementById("liniex"+nr).style.visibility = 'visible';
}
function hide(nr) {
	document.getElementById("text"+nr).style.visibility = 'hidden';
	document.getElementById("linie"+nr).style.visibility = 'hidden';
	document.getElementById("liniex"+nr).style.visibility = 'hidden';
	document.getElementById("text1").style.visibility = 'visible';
}