var objMyImage = null;
function init() {
	objMyImage = new OpacityObject('one','img/trans');
	objMyImage.setBackground();

	objMyImage = new OpacityObject('two','img/trans');
	objMyImage.setBackground();

	objMyImage = new OpacityObject('three','img/trans');
	objMyImage.setBackground();
	
    objMyImage = new OpacityObject('four','img/trans');
	objMyImage.setBackground();
}