var y=0
var open=""
function openmenu(select,obj)
{
if (open==select)
	return;
if (open!="")
	document.getElementById(open).style.display="none"
document.getElementById(select).style.display="inline"
open=select
y=obj.clientY
}
function closemenu(select,obj,dir)
{
if (obj.clientY>y&&dir==0)
	return
document.getElementById(select).style.display="none"
open=""
}