// JavaScript Document
var activeMenu;

function showLayer(name)
{
	for(i = 0; i < numLayers; i++)
	{
		document.getElementById('news_'+i).style.display = 'none';
	}
	
	document.getElementById(name).style.display = 'block';
}

function hideLayer(name)
{
	for(i = 0; i < numLayers; i++)
	{
		document.getElementById('news_'+i).style.display = 'none';
	}
	
	document.getElementById(name).style.display = 'none';
}

function showMenu(name)
{
	if (activeMenu != null)
	{
		activeMenu.style.display = 'none';
	}
	
	activeMenu = document.getElementById(name);
	
	if (activeMenu != null)
	{
		activeMenu.style.display = 'block';
	}
}

function hideMenu()
{
	try{activeMenu.style.display = 'none';}
	catch(execption){};
}