function changein(id) {
        if (document.layers) {
		document.layers[id].visibility = "show";
        } else if (document.getElementById) {
		document.getElementById(id).style.visibility = "visible";
		document.getElementById(id).style.position = "relative";
        } else if (document.all && !(document.getElementById)) {
		document.all(id).style.visibility = "visible";
		} else {
		}
}
function changeout(id) {
        if (document.layers) {
			document.layers[id].visibility = "hide"
		} else if (document.getElementById && document.getElementById(id)) {
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.position = "absolute";
		} else if (document.all && !(document.getElementById)) { 
			document.all(id).style.visibility = "hidden";
		}
}

function nothing(){
}