function openVideo(){
	if (parent.videoFrame!=undefined && parent.tocFrame!=undefined){
		if (parent.videoFrame.document.getElementById("NSPlay")!=null && parent.tocFrame.loaded){
			if (parent.videoFrame.playType=="audio"){
				parent.videoFrame.ChangeMedia("video");
			}
		}
	}
}

function openAudio(){
	if (parent.videoFrame!=undefined && parent.tocFrame!=undefined){
		if (parent.videoFrame.document.getElementById("NSPlay")!=null && parent.tocFrame.loaded){
			if (parent.videoFrame.playType=="video"){				
				parent.videoFrame.ChangeMedia("audio");
			}
		}
	}
}