function menuMouseOver(id){
	var elements = document.getElementsByTagName("ul");
	for ( var i = 0; ( element = elements[i] ); i++ )
	{
		if (element.className.indexOf(id) != -1)
		{
			element.style.display = 'block';
			element.style.visibility = 'visible';
			var els = element.getElementsByTagName("li");
			for ( var j = 0; ( el = els[j] ); j++ )
			{
				el.style.display = 'block';
				el.style.visibility = 'visible';	
			}
		}
	}
}

function menuMouseOut(id){
	var elements = document.getElementsByTagName("ul");
	for ( var i = 0; ( element = elements[i] ); i++ )
	{
		if (element.className.indexOf(id) != -1)
		{
			element.style.display = 'none';
			element.style.visibility = 'hidden';
			var els = element.getElementsByTagName("li");
			for ( var j = 0; ( el = els[j] ); j++ )
			{
				el.style.display = 'none';
				el.style.visibility = 'hidden';	
			}
		}
	}
}