function SwitchMenu(SortCount,AllCount){
var ss;
for (i=1;i<=AllCount;i++)
{
	ss=eval("aa"+i);
	if (SortCount==i)
	{
		if (ss.style.display =="")
			ss.style.display ="none";
		else 
			ss.style.display ="";
	}
	else
		ss.style.display ="none";
}
}