var menuitem = 0;
var overlink = 0;
var overdiv = 0;

function mopen(id)
{
	menuitem = document.getElementById(id);
	menuitem.style.visibility='visible';
	overlink=1;
}

function mdiv()
{
	overdiv=1;
}

function linkout()
{
	overlink=0;
	if(overlink==0 && overdiv==0) mclose();
}

function divout()
{
	overdiv=0;
	if(overlink==0 && overdiv==0) mclose();
}

function mclose()
{
	if(menuitem) menuitem.style.visibility='hidden';
}

document.onclick = mclose;