function menu( input ) 
{
}

menu.prototype.On = function( input )
{
    if (document.getElementById && document.getElementById(input) != null)
	{
         node = document.getElementById(input).style.visibility = "visible";
	}
    else if (document.layers && document.layers[input] != null)
	{
        document.layers[input].visibility = "visible";
	}
    else if (document.all)
	{
        document.all[input].style.visibility = "visible";
	}
}

menu.prototype.Off = function()
{
   	for (i=0; i<arguments.length; i++ )
	{
   		if (document.getElementById && document.getElementById(arguments[i]) != null)
		{
       		node = document.getElementById(arguments[i]).style.visibility = "hidden";
   		}
		else if (document.layers && document.layers[arguments[i]] != null)
		{
       		document.layers[arguments[i]].visibility = "hidden";
		}
   		else if (document.all)
		{
       		document.all[arguments[i]].style.visibility = "hidden";
		}
	}
}

menu.prototype.Timeout = function( items )
{
	setTimeout("menu.Off('" + items + "')", 4000);
}