function RegisterEventObservers(){var a=document.WMPlay;document.appObs.setByProxyDSNewStreamObserver(a,true);troca();numero=numero-1}function OnDSNewStreamEvt(b,a){setTimeout("troca();",1000)}function PlayClick(){document.WMPlay.Play()}function StopClick(){numero=1;document.WMPlay.Stop();if(navigator.appName.indexOf("Netscape")!=-1&&navigator.appName.indexOf("Firefox")!=-1){document.WMPlay.SetCurrentPosition(0)}else{document.WMPlay.CurrentPosition=0}}function PauseClick(){if(navigator.appName.indexOf("Netscape")!=-1){estado=document.WMPlay.GetPlayState()}else{estado=document.WMPlay.PlayState}if(estado==1){document.WMPlay.Play()}else{if(estado==2){document.WMPlay.Pause()}}}function FowardClick(){document.WMPlay.Next()}function BackClick(){numero=numero-2;document.WMPlay.Previous()}function UpVolumeClick(){if(document.WMPlay.Volume<=-300){document.WMPlay.Volume=document.WMPlay.Volume+300}}function DownVolumeClick(){if(document.WMPlay.Volume>=-8000){document.WMPlay.Volume=document.WMPlay.Volume-300}};