function toggleLayer(whichLayer) {
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
	}
	
	if (style2.display) {
		style2.display = "";
		document.cookie = "infopiiloon=0; path=/; domain=.kupoli.net;";
	} else {
		style2.display = "none";
		document.cookie = "infopiiloon=1; path=/; domain=.kupoli.net;";
	}
}