// Hide show layer for control panel

function hideLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "hidden";		
	} else if (document.all) {
		document.all[whichlayer].style.visibility = "hidden";
	} else if (document.layers) {
		document.layers[whichLayer].visibility = "hidden";
	}
}

function showLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "visible";
	} else if (document.all) {
		document.all[whichlayer].style.visibility = "visible";
	} else if (document.layers) {
		document.layers[whichLayer].visibility = "visible";
	}	
}

function handleClick(whichClick) {
	if (whichClick == "hide it") {
		hideLayer("controlpanel_description");
	} else if (whichClick == "show it") {
		showLayer("controlpanel_description");
	} 
}