// JavaScript Document
// show or hide the layers 
function showLayer(layerName){
	document.getElementById(layerName).style.display="block";
	document.getElementById('homeArticle1').style.display="none";
	if (layerName != 'homeArticle6')
		{
		document.getElementById('homeArticle6').style.display = "none";	
		}
	if (layerName != 'homeArticle7')
		{
		document.getElementById('homeArticle7').style.display = "none";	
		}
}

function hideLayer(layerName){
	document.getElementById(layerName).style.display="none";
	document.getElementById('homeArticle1').style.display="block";
}