window.addEvent('domready', function() {
					
var Tip = new Tips($$('.tip'), {
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);
}
});
});