window.addEvent("domready",function(){var a=$$("#sponsors a").setStyle("opacity",0.5);a.set("tween",{duration:200,wait:false}).addEvents({mouseenter:function(){this.setStyle("background-position","0 -15px");this.get("tween").start("opacity",1)},mouseleave:function(){this.setStyle.delay(500,this,["background-position","0 0"]);var b=this.get("tween");b.start.delay(500,b,["opacity",0.5])}})});