function flipImage(url)
{
    if (window.event.srcElement.tagName == "IMG" )
	{
		window.event.srcElement.src = url;
    }
}

function switchMenu(el)
{
	var items = el.nextSibling;

	if(items.style.display == "none")
		items.style.display = "block";
	else
		items.style.display = "none";
}