function openChart(url1, width, height) {
			popup = window.open(url1, "_blank", "directories=no,toolbar=no,location=no,menubar=no,scrollbars=no,status=no,resizable=yes,dependent=no,width="+width+",height="+height);
			popup.focus();
}


/***** Layer ein/ausblenden ******/
function hideLayer(layerName) {
	//DOM
	if(document.getElementById)
		document.getElementById(layerName).style.display = 'none';
	//IE pre5
	else if(document.all)
		document.all[layerName].style.display = 'none';
	//Netscape4.x ohne Garantie
	else if(document.layers)
		document.layers[layerName].style.display = 'none';
}

function showLayer(layerName) {
	//DOM
	if(document.getElementById)
		document.getElementById(layerName).style.display = 'block';
	//IE pre5
	else if(document.all)
		document.all[layerName].style.display = 'block';
	//Netscape4.x ohne Garantie
	else if(document.layers)
		document.layers[layerName].style.display = 'block';
}