numMenus = 3;
document.onmouseover = hideAllMenusTest;

function showMenuTest(menuNumber, eventObj, labelID) {
    hideAllMenusTest();
	if(document.layers) {
 	x = getImagePageLeft(img);
 	y = getImagePageTop(img);
 	menuTop = y + 10; // LAYER TOP POSITION
	eval('document.layers["myMenu'+menuNumber+'"].top="'+menuTop+'"');
 	eval('document.layers["myMenu'+menuNumber+'"].left="'+x+'"');
	}
	eventObj.cancelBubble = true;
    var menuId = 'myMenu' + menuNumber;
    if(changeObjectVisibility(menuId, 'visible')) {
	return true;
    } else {
	return false;
    }
}

function hideAllMenusTest() {
    for(counter = 1; counter <= numMenus; counter++) {
	changeObjectVisibility('myMenu' + counter, 'hidden');
    }
}