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

function showobject(obj) {
	var theObj = getObject(obj);
	if (typeof theObj.visibility != "undefined")
		theObj.visibility = "visible"
	if (typeof theObj.display != "undefined")
		theObj.display = "block"
}

function hideobject(obj) {
	var theObj = getObject(obj);
	if (typeof theObj.visibility != "undefined")
		theObj.visibility = "hidden"
	if (typeof theObj.display != "undefined")
		theObj.display = "none"
}