button=$.createButton({x:7,y:7,lifeTime:12,width:150,
text:'点此前进',motionGroup:[{alpha:{fromValue:0,toValue:1,lifeTime:1}},
                    {alpha:{fromValue:1,toValue:1,lifeTime:10}},
                    {alpha:{fromValue:1,toValue:0,lifeTime:1}}],
onclick:function(){Player.jump("av458793", 1, true);}});
button.setStyle("fillColors",[0x999999,0xcccccc]);
button.setStyle("fillAlphas",[0.7,0.7]);


最好有每一句的详细介绍，功用，用法什么的，谢谢大家~~~