var transparent = 0.3;
var opaque = 1;
var menuPrefix = "menu-";
var hintElement = "menu-hint";


function setHint(hint, show)
{
	hintElement.innerHTML = show ? hint : " ";
	//hintElement.fade(show ? 'in' : 'out');
}

function initMenu()
{
	hintElement = $(hintElement);

	var count = document.images.length;
	for (var i = 0; i < count; i++)
	{
		var oImg = document.images[i];
		if (oImg.id.indexOf(menuPrefix) != -1)
		{
			var oElement = $(oImg.id);

			oElement.fade(transparent);
			oElement.addEvent('mouseover', function(e)
			{
				e.stop();
				this.fade(opaque);
				setHint(this.alt, true);
			});

			oElement.addEvent('mouseout', function(e)
			{
				e.stop();
				this.fade(transparent);
				setHint(this.alt, false);
			});
		}
	}


}