var timerID;
function changeImages() {
	if (document.images ) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function HideLayer() {
	document.all['meny_estetisk'].style.visibility = "hidden";
	document.all['meny_klinik'].style.visibility = "hidden";
}

function ShowLayer(str) {
	if (str == 'estetisk') {
		document.all['meny_estetisk'].style.visibility = "visible";
	}
	if (str == 'klinik') {
		document.all['meny_klinik'].style.visibility = "visible";
	}
	clearTimeout(timerID);
	timerID = setTimeout("HideLayer()",3000);
}