window.addEvent('domready', function(){
			var Tips2 = new Tips($$('.extcalTips'), {
	initialize:function(){
		this.fx = new Fx.Style(this.toolTip, 'opacity', {duration: 250, wait: false}).set(0);
	},
	onShow: function(toolTip) {
		this.fx.start(1);
	},
	onHide: function(toolTip) {
		this.fx.start(0);
	}
});
		});