var VisualManipulator = Class.create();
VisualManipulator.prototype = {
	initialize: function(){},
	
	center: function(area, container) {

		alert(xWidth(area));
		alert(xWidth(container));

		// center this alert
		xMoveTo(area, (xWidth(container)/2)-(xWidth(area)/2), ((xHeight(container)-xHeight(area))/2));

	}
};