function showLayer(whichDiv)
{
	// Loop through all DIVs, and identify slides
//	var divs=document.getElementsByTagName('div');
//	for(var i=1;i<divs.length;i++)
//	{
//		if(divs[i].className == 'show')
//		{
//			divs[i].className = 'hide';
//		}
//	}

	document.getElementById(whichDiv).className="show";
}
function hideLayer(whichDiv)
{
	document.getElementById(whichDiv).className="hide";
}