function showCO2RechnerLayer()
{
	var iframe = document.createElement("iframe");
	iframe.src = "http://kaufland.klimaktiv-co2-rechner.de/de_DE/popup/";
	iframe.style.height = "640px";
	iframe.style.width = "700px";
	iframe.style.border = "none";
	iframe.frameBorder = "0"; 
	
	new Layer().showContentAsLayer(iframe, true, 'CO<sub>2</sub>-Rechner', 'bgc_white', null);
}