function getObject(obj) {
	var hospit
	if (document.layers) {
		if (typeof obj == "string") {
			return document.layers[obj]
		} else {
			return obj
		}
	}
	if (document.all) {
		if (typeof obj == "string") {
			return document.all(obj).style
		} else {
			return obj.style
		}
	}
	if (document.getElementById) {
		if (typeof obj == "string") {
			return document.getElementById(obj).style
		} else {
			return obj.style
		}
	}
	return null
}

function show(obj) {
	var hospit= getObject(obj)
	hospit.visibility = "visible"
}

function hide(obj) {
	var hospit= getObject(obj)
	hospit.visibility = "hidden"
}