var arrWineImages = new Array();

// ****************************************************************************
// addRollover
// ****************************************************************************
function addRollover(strElem) {
	var elementId = $(strElem);
	
	arrWineImages[arrWineImages.length] = elementId;
	
	$(elementId).observe('mouseover', function() {
		new Effect.Opacity(this, { to: 1, duration: 0.5 });
		// darken others
		for (var nElem=0; nElem < arrWineImages.length; nElem++) {
			if (arrWineImages[nElem] != this) {
				new Effect.Opacity(arrWineImages[nElem], { to: 0.7, duration: 0.5 });
			}
		}
  });
	
	$(elementId).observe('mouseout', function() {
  });
}