window.addEvent("domready", function() {  
	var Tips2 = new Tips($$('.MyTips'), {
			initialize:function(){
				this.fx = new Fx.Style(this.toolTip, 'opacity', {duration: 500, wait: false}).set(0);
			},
			onShow: function(toolTip) {
				this.fx.start(1);
			},
			onHide: function(toolTip) {
				this.fx.start(0);
			}
	});
});