function showMenu(menuNumber, eventObj) {
    hideAllMenus();
    var menuId = 'menu' + menuNumber;
    if(changeObjectVisibility(menuId, 'visible')) {
	var menuTitle = getStyleObject('menuTitle' + menuNumber);
	menuTitle.backgroundColor = '#3C1485';
	eventObj.cancelBubble = true;
	return true;
    } else {
	return false;
    }
}

var numMenus = 5;

function hideAllMenus() {
    for(counter = 1; counter <= numMenus; counter++) {
	changeObjectVisibility('menu' + counter, 'hidden');
	var menuTitle = getStyleObject('menuTitle' + counter);
	menuTitle.backgroundColor = '#3C1485';
    }
}

function ChangeImage(object, image)
{
  object.src = image;
	return false;
}

document.onclick = hideAllMenus;