function loader() {
toggleLayer('1');
setTimeout("toggleLayer('2')",5000);
setTimeout("toggleLayer('3')",10000);
}

function toggleLayer(whichLayer)
{

	if (whichLayer == '1')
	{
		if (document.getElementById)
		{
		var style1 = document.getElementById("news1").style;
		style1.display = style1.display? "":"block";
		setTimeout("toggleLayerOff('1')",5000);
		}
	}

	if (whichLayer == '2')
	{
		if (document.getElementById)
		{
		var style1 = document.getElementById("news2").style;
		style1.display = style1.display? "":"block";
		setTimeout("toggleLayerOff('2')",5000);
		}
	}
	
	if (whichLayer == '3')
	{
		if (document.getElementById)
		{
		var style1 = document.getElementById("news3").style;
		style1.display = style1.display? "":"block";
		setTimeout("toggleLayerOff('3')",5000);
		}
	}

	if (whichLayer == '4')
	{
		var style1 = document.getElementById("news4").style;
		style1.display = style1.display? "":"block";
	}
	

}

function toggleLayerOff(whichLayer)
{

	if (whichLayer == '1')
	{
		if (document.getElementById)
		{
		// this is the way the standards work
		var style1 = document.getElementById("news1").style;
		style1.display = style1.visibility? "":"none";
		}
	}

	if (whichLayer == '2')
	{
		if (document.getElementById)
		{
		// this is the way the standards work
		var style1 = document.getElementById("news2").style;
		style1.display = style1.visibility? "":"none";
		}
	}
	
	if (whichLayer == '3')
	{
		if (document.getElementById)
		{
		// this is the way the standards work
		var style1 = document.getElementById("news3").style;
		style1.display = style1.visibility? "":"none";
		toggleLayer('4');
		}
	}

}

function hide(whichLayer)
{
	document.getElementById(whichLayer).style.display='none';
}

function show(whichLayer)
{
	document.getElementById(whichLayer).style.display='block';
}