// browser compatibility
function compatibility(id)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		return document.getElementById(id)
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		return document.all[id]
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		return document.layers[id]
	}
}

function slideshowhide(showid, hideid)
{
	var hidediv = compatibility("slide_"+hideid);
	var showdiv = compatibility("slide_"+showid);

	if(showdiv)
	{
		hidediv.style.display = 'none';
		showdiv.style.display = 'block';
	}
}