function swapContent(layerName,content) {
	if (document.layers) {
		document.layers[layerName].document.write(content);
		document.layers[layerName].document.close();
	} else {
		if (document.getElementById) {
			document.getElementById(layerName).innerHTML = content;
		} else {
			document.all[layerName].innerHTML=content;
		}
	}
}