// set up menus
menuName = "drop1";
isMenuOver = false;

function menuOver(foo) { // called if mouse is over menu iframe
	isMenuOver = foo;
	setTimeout("hideMenu()", 500);
}

function hideMenu() { // function to hide all menus
	if (!isMenuOver) {
		document.getElementById('drop1').style.visibility = 'hidden';
		document.getElementById('drop1').style.zIndex = -1;
	}
}

function showMenu(menuID) { // function to show menu based on passed ID
		document.getElementById('drop1').style.visibility = 'visible'
		document.getElementById('drop1').style.zIndex = 4
}